820124925

素因数分解:

$3^1\times 5^2\times {\mathrm{2423}}^1\times {\mathrm{4513}}^1$

素因数の和:6949

約数の個数: 24

約数和(自身を含む): 1356800064

約数和(自身を除く): 536675139

約数列:

[1, 3, 5, 15, 25, 75, 2423, 4513, 7269, 12115, 13539, 22565, 36345, 60575, 67695, 112825, 181725, 338475, 10934999, 32804997, 54674995, 164024985, 273374975, 820124925]

約数ペア:

[(1, 820124925), (3, 273374975), (5, 164024985), (15, 54674995), (25, 32804997), (75, 10934999), (2423, 338475), (4513, 181725), (7269, 112825), (12115, 67695), (13539, 60575), (22565, 36345)]