315315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:49

約数の個数: 72

約数和(自身を含む): 746928

約数和(自身を除く): 431613

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 33, 35, 39, 45, 49, 55, 63, 65, 77, 91, 99, 105, 117, 143, 147, 165, 195, 231, 245, 273, 315, 385, 429, 441, 455, 495, 539, 585, 637, 693, 715, 735, 819, 1001, 1155, 1287, 1365, 1617, 1911, 2145, 2205, 2695, 3003, 3185, 3465, 4095, 4851, 5005, 5733, 6435, 7007, 8085, 9009, 9555, 15015, 21021, 24255, 28665, 35035, 45045, 63063, 105105, 315315]

約数ペア:

[(1, 315315), (3, 105105), (5, 63063), (7, 45045), (9, 35035), (11, 28665), (13, 24255), (15, 21021), (21, 15015), (33, 9555), (35, 9009), (39, 8085), (45, 7007), (49, 6435), (55, 5733), (63, 5005), (65, 4851), (77, 4095), (91, 3465), (99, 3185), (105, 3003), (117, 2695), (143, 2205), (147, 2145), (165, 1911), (195, 1617), (231, 1365), (245, 1287), (273, 1155), (315, 1001), (385, 819), (429, 735), (441, 715), (455, 693), (495, 637), (539, 585)]