81639075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6761}}^1$

素因数の和:6804

約数の個数: 48

約数和(自身を含む): 160989696

約数和(自身を除く): 79350621

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 2415, 4025, 6761, 12075, 20283, 33805, 47327, 101415, 141981, 155503, 169025, 236635, 466509, 507075, 709905, 777515, 1088521, 1183175, 2332545, 3265563, 3549525, 3887575, 5442605, 11662725, 16327815, 27213025, 81639075]

約数ペア:

[(1, 81639075), (3, 27213025), (5, 16327815), (7, 11662725), (15, 5442605), (21, 3887575), (23, 3549525), (25, 3265563), (35, 2332545), (69, 1183175), (75, 1088521), (105, 777515), (115, 709905), (161, 507075), (175, 466509), (345, 236635), (483, 169025), (525, 155503), (575, 141981), (805, 101415), (1725, 47327), (2415, 33805), (4025, 20283), (6761, 12075)]