71458257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 34212399

約数列:

[1, 3, 13, 39, 53, 159, 181, 191, 543, 573, 689, 2067, 2353, 2483, 7059, 7449, 9593, 10123, 28779, 30369, 34571, 103713, 124709, 131599, 374127, 394797, 449423, 1348269, 1832263, 5496789, 23819419, 71458257]

約数ペア:

[(1, 71458257), (3, 23819419), (13, 5496789), (39, 1832263), (53, 1348269), (159, 449423), (181, 394797), (191, 374127), (543, 131599), (573, 124709), (689, 103713), (2067, 34571), (2353, 30369), (2483, 28779), (7059, 10123), (7449, 9593)]