215331315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{6299}}^1$

素因数の和:6403

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 143919885

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 2279, 6299, 6837, 11395, 18897, 31495, 34185, 94485, 270857, 333847, 812571, 1001541, 1354285, 1669235, 4062855, 5007705, 14355421, 43066263, 71777105, 215331315]

約数ペア:

[(1, 215331315), (3, 71777105), (5, 43066263), (15, 14355421), (43, 5007705), (53, 4062855), (129, 1669235), (159, 1354285), (215, 1001541), (265, 812571), (645, 333847), (795, 270857), (2279, 94485), (6299, 34185), (6837, 31495), (11395, 18897)]