281074779

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{26489}}^1$

素因数の和:26632

約数の個数: 20

約数和(自身を含む): 423098280

約数和(自身を除く): 142023501

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 26489, 79467, 238401, 715203, 2145609, 3470059, 10410177, 31230531, 93691593, 281074779]

約数ペア:

[(1, 281074779), (3, 93691593), (9, 31230531), (27, 10410177), (81, 3470059), (131, 2145609), (393, 715203), (1179, 238401), (3537, 79467), (10611, 26489)]