51220257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 79088640

約数和(自身を除く): 27868383

約数列:

[1, 3, 11, 19, 33, 57, 151, 209, 453, 541, 627, 1623, 1661, 2869, 4983, 5951, 8607, 10279, 17853, 30837, 31559, 81691, 94677, 113069, 245073, 339207, 898601, 1552129, 2695803, 4656387, 17073419, 51220257]

約数ペア:

[(1, 51220257), (3, 17073419), (11, 4656387), (19, 2695803), (33, 1552129), (57, 898601), (151, 339207), (209, 245073), (453, 113069), (541, 94677), (627, 81691), (1623, 31559), (1661, 30837), (2869, 17853), (4983, 10279), (5951, 8607)]