31474905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 67962240

約数和(自身を除く): 36487335

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 49, 51, 55, 77, 85, 105, 119, 147, 165, 187, 229, 231, 245, 255, 357, 385, 539, 561, 595, 687, 735, 833, 935, 1145, 1155, 1309, 1603, 1617, 1785, 2499, 2519, 2695, 2805, 3435, 3893, 3927, 4165, 4809, 6545, 7557, 8015, 8085, 9163, 11221, 11679, 12495, 12595, 17633, 19465, 19635, 24045, 27251, 27489, 33663, 37785, 42823, 45815, 52899, 56105, 58395, 81753, 88165, 123431, 128469, 136255, 137445, 168315, 190757, 214115, 264495, 299761, 370293, 408765, 572271, 617155, 642345, 899283, 953785, 1498805, 1851465, 2098327, 2861355, 4496415, 6294981, 10491635, 31474905]

約数ペア:

[(1, 31474905), (3, 10491635), (5, 6294981), (7, 4496415), (11, 2861355), (15, 2098327), (17, 1851465), (21, 1498805), (33, 953785), (35, 899283), (49, 642345), (51, 617155), (55, 572271), (77, 408765), (85, 370293), (105, 299761), (119, 264495), (147, 214115), (165, 190757), (187, 168315), (229, 137445), (231, 136255), (245, 128469), (255, 123431), (357, 88165), (385, 81753), (539, 58395), (561, 56105), (595, 52899), (687, 45815), (735, 42823), (833, 37785), (935, 33663), (1145, 27489), (1155, 27251), (1309, 24045), (1603, 19635), (1617, 19465), (1785, 17633), (2499, 12595), (2519, 12495), (2695, 11679), (2805, 11221), (3435, 9163), (3893, 8085), (3927, 8015), (4165, 7557), (4809, 6545)]