64988325

素因数分解:

$3^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 122432640

約数和(自身を除く): 57444315

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 81, 135, 201, 225, 335, 405, 479, 603, 675, 1005, 1437, 1675, 1809, 2025, 2395, 3015, 4311, 5025, 5427, 7185, 9045, 11975, 12933, 15075, 21555, 27135, 32093, 35925, 38799, 45225, 64665, 96279, 107775, 135675, 160465, 193995, 288837, 323325, 481395, 802325, 866511, 969975, 1444185, 2406975, 2599533, 4332555, 7220925, 12997665, 21662775, 64988325]

約数ペア:

[(1, 64988325), (3, 21662775), (5, 12997665), (9, 7220925), (15, 4332555), (25, 2599533), (27, 2406975), (45, 1444185), (67, 969975), (75, 866511), (81, 802325), (135, 481395), (201, 323325), (225, 288837), (335, 193995), (405, 160465), (479, 135675), (603, 107775), (675, 96279), (1005, 64665), (1437, 45225), (1675, 38799), (1809, 35925), (2025, 32093), (2395, 27135), (3015, 21555), (4311, 15075), (5025, 12933), (5427, 11975), (7185, 9045)]