39750525

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 75828480

約数和(自身を除く): 36077955

約数列:

[1, 3, 5, 9, 15, 25, 31, 41, 45, 75, 93, 123, 139, 155, 205, 225, 279, 369, 417, 465, 615, 695, 775, 1025, 1251, 1271, 1395, 1845, 2085, 2325, 3075, 3475, 3813, 4309, 5699, 6255, 6355, 6975, 9225, 10425, 11439, 12927, 17097, 19065, 21545, 28495, 31275, 31775, 38781, 51291, 57195, 64635, 85485, 95325, 107725, 142475, 176669, 193905, 256455, 285975, 323175, 427425, 530007, 883345, 969525, 1282275, 1590021, 2650035, 4416725, 7950105, 13250175, 39750525]

約数ペア:

[(1, 39750525), (3, 13250175), (5, 7950105), (9, 4416725), (15, 2650035), (25, 1590021), (31, 1282275), (41, 969525), (45, 883345), (75, 530007), (93, 427425), (123, 323175), (139, 285975), (155, 256455), (205, 193905), (225, 176669), (279, 142475), (369, 107725), (417, 95325), (465, 85485), (615, 64635), (695, 57195), (775, 51291), (1025, 38781), (1251, 31775), (1271, 31275), (1395, 28495), (1845, 21545), (2085, 19065), (2325, 17097), (3075, 12927), (3475, 11439), (3813, 10425), (4309, 9225), (5699, 6975), (6255, 6355)]