1645432257

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1\times {\mathrm{641}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 2526418944

約数和(自身を除く): 880986687

約数列:

[1, 3, 7, 21, 251, 487, 641, 753, 1461, 1757, 1923, 3409, 4487, 5271, 10227, 13461, 122237, 160891, 312167, 366711, 482673, 855659, 936501, 1126237, 2185169, 2566977, 3378711, 6555507, 78353917, 235061751, 548477419, 1645432257]

約数ペア:

[(1, 1645432257), (3, 548477419), (7, 235061751), (21, 78353917), (251, 6555507), (487, 3378711), (641, 2566977), (753, 2185169), (1461, 1126237), (1757, 936501), (1923, 855659), (3409, 482673), (4487, 366711), (5271, 312167), (10227, 160891), (13461, 122237)]