71934513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180287}}^1$

素因数の和:180316

約数の個数: 16

約数和(自身を含む): 115384320

約数和(自身を除く): 43449807

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180287, 540861, 1262009, 3425453, 3786027, 10276359, 23978171, 71934513]

約数ペア:

[(1, 71934513), (3, 23978171), (7, 10276359), (19, 3786027), (21, 3425453), (57, 1262009), (133, 540861), (399, 180287)]