218544705

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 395119296

約数和(自身を除く): 176574591

約数列:

[1, 3, 5, 9, 15, 43, 45, 53, 129, 159, 215, 265, 387, 477, 645, 795, 1935, 2131, 2279, 2385, 6393, 6837, 10655, 11395, 19179, 20511, 31965, 34185, 91633, 95895, 102555, 112943, 274899, 338829, 458165, 564715, 824697, 1016487, 1374495, 1694145, 4123485, 4856549, 5082435, 14569647, 24282745, 43708941, 72848235, 218544705]

約数ペア:

[(1, 218544705), (3, 72848235), (5, 43708941), (9, 24282745), (15, 14569647), (43, 5082435), (45, 4856549), (53, 4123485), (129, 1694145), (159, 1374495), (215, 1016487), (265, 824697), (387, 564715), (477, 458165), (645, 338829), (795, 274899), (1935, 112943), (2131, 102555), (2279, 95895), (2385, 91633), (6393, 34185), (6837, 31965), (10655, 20511), (11395, 19179)]