7643025

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 15430560

約数和(自身を除く): 7787535

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 67, 75, 117, 135, 169, 195, 201, 225, 325, 335, 351, 507, 585, 603, 675, 845, 871, 975, 1005, 1521, 1675, 1755, 1809, 2535, 2613, 2925, 3015, 4225, 4355, 4563, 5025, 7605, 7839, 8775, 9045, 11323, 12675, 13065, 15075, 21775, 22815, 23517, 33969, 38025, 39195, 45225, 56615, 65325, 101907, 114075, 117585, 169845, 195975, 283075, 305721, 509535, 587925, 849225, 1528605, 2547675, 7643025]

約数ペア:

[(1, 7643025), (3, 2547675), (5, 1528605), (9, 849225), (13, 587925), (15, 509535), (25, 305721), (27, 283075), (39, 195975), (45, 169845), (65, 117585), (67, 114075), (75, 101907), (117, 65325), (135, 56615), (169, 45225), (195, 39195), (201, 38025), (225, 33969), (325, 23517), (335, 22815), (351, 21775), (507, 15075), (585, 13065), (603, 12675), (675, 11323), (845, 9045), (871, 8775), (975, 7839), (1005, 7605), (1521, 5025), (1675, 4563), (1755, 4355), (1809, 4225), (2535, 3015), (2613, 2925)]