63686325

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 109368000

約数和(自身を除く): 45681675

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 139, 149, 205, 417, 447, 615, 695, 745, 1025, 2085, 2235, 3075, 3475, 3725, 5699, 6109, 10425, 11175, 17097, 18327, 20711, 28495, 30545, 62133, 85485, 91635, 103555, 142475, 152725, 310665, 427425, 458175, 517775, 849151, 1553325, 2547453, 4245755, 12737265, 21228775, 63686325]

約数ペア:

[(1, 63686325), (3, 21228775), (5, 12737265), (15, 4245755), (25, 2547453), (41, 1553325), (75, 849151), (123, 517775), (139, 458175), (149, 427425), (205, 310665), (417, 152725), (447, 142475), (615, 103555), (695, 91635), (745, 85485), (1025, 62133), (2085, 30545), (2235, 28495), (3075, 20711), (3475, 18327), (3725, 17097), (5699, 11175), (6109, 10425)]