15722421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 25041408

約数和(自身を除く): 9318987

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 547, 737, 871, 1641, 2211, 2613, 6017, 7111, 9581, 18051, 21333, 28743, 36649, 78221, 109947, 234663, 403139, 476437, 1209417, 1429311, 5240807, 15722421]

約数ペア:

[(1, 15722421), (3, 5240807), (11, 1429311), (13, 1209417), (33, 476437), (39, 403139), (67, 234663), (143, 109947), (201, 78221), (429, 36649), (547, 28743), (737, 21333), (871, 18051), (1641, 9581), (2211, 7111), (2613, 6017)]