1020923865

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1864

約数の個数: 128

約数和(自身を含む): 2179699200

約数和(自身を除く): 1158775335

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 27, 39, 45, 51, 57, 65, 85, 95, 117, 135, 153, 171, 195, 221, 247, 255, 285, 323, 351, 459, 513, 585, 663, 741, 765, 855, 969, 1105, 1235, 1615, 1755, 1801, 1989, 2223, 2295, 2565, 2907, 3315, 3705, 4199, 4845, 5403, 5967, 6669, 8721, 9005, 9945, 11115, 12597, 14535, 16209, 20995, 23413, 27015, 29835, 30617, 33345, 34219, 37791, 43605, 48627, 62985, 70239, 81045, 91851, 102657, 113373, 117065, 153085, 171095, 188955, 210717, 243135, 275553, 307971, 351195, 398021, 444847, 459255, 513285, 566865, 581723, 632151, 826659, 923913, 1053585, 1194063, 1334541, 1377765, 1539855, 1745169, 1990105, 2224235, 2908615, 3160755, 3582189, 4003623, 4133295, 4619565, 5235507, 5970315, 6672705, 7562399, 8725845, 10746567, 12010869, 15706521, 17910945, 20018115, 22687197, 26177535, 37811995, 53732835, 60054345, 68061591, 78532605, 113435985, 204184773, 340307955, 1020923865]

約数ペア:

[(1, 1020923865), (3, 340307955), (5, 204184773), (9, 113435985), (13, 78532605), (15, 68061591), (17, 60054345), (19, 53732835), (27, 37811995), (39, 26177535), (45, 22687197), (51, 20018115), (57, 17910945), (65, 15706521), (85, 12010869), (95, 10746567), (117, 8725845), (135, 7562399), (153, 6672705), (171, 5970315), (195, 5235507), (221, 4619565), (247, 4133295), (255, 4003623), (285, 3582189), (323, 3160755), (351, 2908615), (459, 2224235), (513, 1990105), (585, 1745169), (663, 1539855), (741, 1377765), (765, 1334541), (855, 1194063), (969, 1053585), (1105, 923913), (1235, 826659), (1615, 632151), (1755, 581723), (1801, 566865), (1989, 513285), (2223, 459255), (2295, 444847), (2565, 398021), (2907, 351195), (3315, 307971), (3705, 275553), (4199, 243135), (4845, 210717), (5403, 188955), (5967, 171095), (6669, 153085), (8721, 117065), (9005, 113373), (9945, 102657), (11115, 91851), (12597, 81045), (14535, 70239), (16209, 62985), (20995, 48627), (23413, 43605), (27015, 37791), (29835, 34219), (30617, 33345)]