1640201721

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1\times {\mathrm{9007}}^1$

素因数の和:9712

約数の個数: 16

約数和(自身を含む): 2212508928

約数和(自身を除く): 572307207

約数列:

[1, 3, 101, 303, 601, 1803, 9007, 27021, 60701, 182103, 909707, 2729121, 5413207, 16239621, 546733907, 1640201721]

約数ペア:

[(1, 1640201721), (3, 546733907), (101, 16239621), (303, 5413207), (601, 2729121), (1803, 909707), (9007, 182103), (27021, 60701)]