131809755

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 286156800

約数和(自身を除く): 154347045

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 49, 51, 55, 77, 85, 105, 119, 137, 147, 165, 187, 231, 245, 255, 343, 357, 385, 411, 539, 561, 595, 685, 735, 833, 935, 959, 1029, 1155, 1309, 1507, 1617, 1715, 1785, 2055, 2329, 2499, 2695, 2805, 2877, 3773, 3927, 4165, 4521, 4795, 5145, 5831, 6545, 6713, 6987, 7535, 8085, 9163, 10549, 11319, 11645, 12495, 14385, 16303, 17493, 18865, 19635, 20139, 22605, 25619, 27489, 29155, 31647, 33565, 34935, 45815, 46991, 48909, 52745, 56595, 64141, 73843, 76857, 81515, 87465, 100695, 114121, 128095, 137445, 140973, 158235, 179333, 192423, 221529, 234955, 244545, 320705, 342363, 369215, 384285, 516901, 537999, 570605, 704865, 798847, 896665, 962115, 1107645, 1255331, 1550703, 1711815, 2396541, 2584505, 2689995, 3765993, 3994235, 6276655, 7753515, 8787317, 11982705, 18829965, 26361951, 43936585, 131809755]

約数ペア:

[(1, 131809755), (3, 43936585), (5, 26361951), (7, 18829965), (11, 11982705), (15, 8787317), (17, 7753515), (21, 6276655), (33, 3994235), (35, 3765993), (49, 2689995), (51, 2584505), (55, 2396541), (77, 1711815), (85, 1550703), (105, 1255331), (119, 1107645), (137, 962115), (147, 896665), (165, 798847), (187, 704865), (231, 570605), (245, 537999), (255, 516901), (343, 384285), (357, 369215), (385, 342363), (411, 320705), (539, 244545), (561, 234955), (595, 221529), (685, 192423), (735, 179333), (833, 158235), (935, 140973), (959, 137445), (1029, 128095), (1155, 114121), (1309, 100695), (1507, 87465), (1617, 81515), (1715, 76857), (1785, 73843), (2055, 64141), (2329, 56595), (2499, 52745), (2695, 48909), (2805, 46991), (2877, 45815), (3773, 34935), (3927, 33565), (4165, 31647), (4521, 29155), (4795, 27489), (5145, 25619), (5831, 22605), (6545, 20139), (6713, 19635), (6987, 18865), (7535, 17493), (8085, 16303), (9163, 14385), (10549, 12495), (11319, 11645)]