221341489

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 237841920

約数和(自身を除く): 16500431

約数列:

[1, 23, 61, 79, 1403, 1817, 1997, 4819, 45931, 110837, 121817, 157763, 2801791, 3628549, 9623543, 221341489]

約数ペア:

[(1, 221341489), (23, 9623543), (61, 3628549), (79, 2801791), (1403, 157763), (1817, 121817), (1997, 110837), (4819, 45931)]