71961969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 105131520

約数和(自身を除く): 33169551

約数列:

[1, 3, 17, 51, 53, 79, 159, 237, 337, 901, 1011, 1343, 2703, 4029, 4187, 5729, 12561, 17187, 17861, 26623, 53583, 71179, 79869, 213537, 303637, 452591, 910911, 1357773, 1411019, 4233057, 23987323, 71961969]

約数ペア:

[(1, 71961969), (3, 23987323), (17, 4233057), (51, 1411019), (53, 1357773), (79, 910911), (159, 452591), (237, 303637), (337, 213537), (901, 79869), (1011, 71179), (1343, 53583), (2703, 26623), (4029, 17861), (4187, 17187), (5729, 12561)]