874868931

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{20731}}^1$

素因数の和:21264

約数の個数: 20

約数和(自身を含む): 1309474584

約数和(自身を除く): 434605653

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 20731, 42201, 62193, 186579, 559737, 1679211, 10800851, 32402553, 97207659, 291622977, 874868931]

約数ペア:

[(1, 874868931), (3, 291622977), (9, 97207659), (27, 32402553), (81, 10800851), (521, 1679211), (1563, 559737), (4689, 186579), (14067, 62193), (20731, 42201)]