16669575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 33174960

約数和(自身を除く): 16505385

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 139, 195, 205, 225, 325, 369, 417, 533, 585, 615, 695, 975, 1025, 1251, 1599, 1807, 1845, 2085, 2665, 2925, 3075, 3475, 4797, 5421, 5699, 6255, 7995, 9035, 9225, 10425, 13325, 16263, 17097, 23985, 27105, 28495, 31275, 39975, 45175, 51291, 74087, 81315, 85485, 119925, 135525, 142475, 222261, 256455, 370435, 406575, 427425, 666783, 1111305, 1282275, 1852175, 3333915, 5556525, 16669575]

約数ペア:

[(1, 16669575), (3, 5556525), (5, 3333915), (9, 1852175), (13, 1282275), (15, 1111305), (25, 666783), (39, 427425), (41, 406575), (45, 370435), (65, 256455), (75, 222261), (117, 142475), (123, 135525), (139, 119925), (195, 85485), (205, 81315), (225, 74087), (325, 51291), (369, 45175), (417, 39975), (533, 31275), (585, 28495), (615, 27105), (695, 23985), (975, 17097), (1025, 16263), (1251, 13325), (1599, 10425), (1807, 9225), (1845, 9035), (2085, 7995), (2665, 6255), (2925, 5699), (3075, 5421), (3475, 4797)]