2151567495

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1082

約数の個数: 128

約数和(自身を含む): 4793057280

約数和(自身を除く): 2641489785

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 263, 297, 315, 385, 495, 693, 787, 789, 945, 1155, 1315, 1485, 1841, 2079, 2361, 2367, 2893, 3465, 3935, 3945, 5509, 5523, 7083, 7101, 8657, 8679, 9205, 10395, 11805, 11835, 14465, 16527, 16569, 20251, 21249, 25971, 26037, 27545, 27615, 35415, 35505, 43285, 43395, 49581, 49707, 60599, 60753, 77913, 78111, 82635, 82845, 101255, 106245, 129855, 130185, 148743, 181797, 182259, 206981, 233739, 247905, 248535, 302995, 303765, 389565, 390555, 545391, 546777, 620943, 743715, 908985, 911295, 1034905, 1168695, 1448867, 1636173, 1862829, 2276791, 2726955, 2733885, 3104715, 4346601, 5588487, 6830373, 7244335, 8180865, 9314145, 11383955, 13039803, 15937537, 20491119, 21733005, 27942435, 34151865, 39119409, 47812611, 61473357, 65199015, 79687685, 102455595, 143437833, 195597045, 239063055, 307366785, 430313499, 717189165, 2151567495]

約数ペア:

[(1, 2151567495), (3, 717189165), (5, 430313499), (7, 307366785), (9, 239063055), (11, 195597045), (15, 143437833), (21, 102455595), (27, 79687685), (33, 65199015), (35, 61473357), (45, 47812611), (55, 39119409), (63, 34151865), (77, 27942435), (99, 21733005), (105, 20491119), (135, 15937537), (165, 13039803), (189, 11383955), (231, 9314145), (263, 8180865), (297, 7244335), (315, 6830373), (385, 5588487), (495, 4346601), (693, 3104715), (787, 2733885), (789, 2726955), (945, 2276791), (1155, 1862829), (1315, 1636173), (1485, 1448867), (1841, 1168695), (2079, 1034905), (2361, 911295), (2367, 908985), (2893, 743715), (3465, 620943), (3935, 546777), (3945, 545391), (5509, 390555), (5523, 389565), (7083, 303765), (7101, 302995), (8657, 248535), (8679, 247905), (9205, 233739), (10395, 206981), (11805, 182259), (11835, 181797), (14465, 148743), (16527, 130185), (16569, 129855), (20251, 106245), (21249, 101255), (25971, 82845), (26037, 82635), (27545, 78111), (27615, 77913), (35415, 60753), (35505, 60599), (43285, 49707), (43395, 49581)]