71365779

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{51827}}^1$

素因数の和:51856

約数の個数: 20

約数和(自身を含む): 112881384

約数和(自身を除く): 41515605

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 51827, 155481, 466443, 881059, 1399329, 2643177, 4197987, 7929531, 23788593, 71365779]

約数ペア:

[(1, 71365779), (3, 23788593), (9, 7929531), (17, 4197987), (27, 2643177), (51, 1399329), (81, 881059), (153, 466443), (459, 155481), (1377, 51827)]