7987005

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 16221744

約数和(自身を除く): 8234739

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 41, 45, 65, 81, 111, 117, 123, 135, 185, 195, 205, 333, 351, 369, 405, 481, 533, 555, 585, 615, 999, 1053, 1107, 1443, 1517, 1599, 1665, 1755, 1845, 2405, 2665, 2997, 3321, 4329, 4551, 4797, 4995, 5265, 5535, 7215, 7585, 7995, 12987, 13653, 14391, 14985, 16605, 19721, 21645, 22755, 23985, 38961, 40959, 43173, 59163, 64935, 68265, 71955, 98605, 122877, 177489, 194805, 204795, 215865, 295815, 532467, 614385, 887445, 1597401, 2662335, 7987005]

約数ペア:

[(1, 7987005), (3, 2662335), (5, 1597401), (9, 887445), (13, 614385), (15, 532467), (27, 295815), (37, 215865), (39, 204795), (41, 194805), (45, 177489), (65, 122877), (81, 98605), (111, 71955), (117, 68265), (123, 64935), (135, 59163), (185, 43173), (195, 40959), (205, 38961), (333, 23985), (351, 22755), (369, 21645), (405, 19721), (481, 16605), (533, 14985), (555, 14391), (585, 13653), (615, 12987), (999, 7995), (1053, 7585), (1107, 7215), (1443, 5535), (1517, 5265), (1599, 4995), (1665, 4797), (1755, 4551), (1845, 4329), (2405, 3321), (2665, 2997)]