2857725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 5517876

約数和(自身を除く): 2660151

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 977, 2925, 2931, 4885, 8793, 12701, 14655, 24425, 38103, 43965, 63505, 73275, 114309, 190515, 219825, 317525, 571545, 952575, 2857725]

約数ペア:

[(1, 2857725), (3, 952575), (5, 571545), (9, 317525), (13, 219825), (15, 190515), (25, 114309), (39, 73275), (45, 63505), (65, 43965), (75, 38103), (117, 24425), (195, 14655), (225, 12701), (325, 8793), (585, 4885), (975, 2931), (977, 2925)]