213710145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 401760000

約数和(自身を除く): 188049855

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 61, 85, 165, 183, 187, 255, 305, 561, 671, 915, 935, 1037, 1249, 2013, 2805, 3111, 3355, 3747, 5185, 6245, 10065, 11407, 13739, 15555, 18735, 21233, 34221, 41217, 57035, 63699, 68695, 76189, 106165, 171105, 206085, 228567, 233563, 318495, 380945, 700689, 838079, 1142835, 1167815, 1295213, 2514237, 3503445, 3885639, 4190395, 6476065, 12571185, 14247343, 19428195, 42742029, 71236715, 213710145]

約数ペア:

[(1, 213710145), (3, 71236715), (5, 42742029), (11, 19428195), (15, 14247343), (17, 12571185), (33, 6476065), (51, 4190395), (55, 3885639), (61, 3503445), (85, 2514237), (165, 1295213), (183, 1167815), (187, 1142835), (255, 838079), (305, 700689), (561, 380945), (671, 318495), (915, 233563), (935, 228567), (1037, 206085), (1249, 171105), (2013, 106165), (2805, 76189), (3111, 68695), (3355, 63699), (3747, 57035), (5185, 41217), (6245, 34221), (10065, 21233), (11407, 18735), (13739, 15555)]