1617570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2016

約数の個数: 40

約数和(自身を含む): 4351644

約数和(自身を除く): 2734074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1997, 3994, 5991, 9985, 11982, 17973, 19970, 29955, 35946, 53919, 59910, 89865, 107838, 161757, 179730, 269595, 323514, 539190, 808785, 1617570]

約数ペア:

[(1, 1617570), (2, 808785), (3, 539190), (5, 323514), (6, 269595), (9, 179730), (10, 161757), (15, 107838), (18, 89865), (27, 59910), (30, 53919), (45, 35946), (54, 29955), (81, 19970), (90, 17973), (135, 11982), (162, 9985), (270, 5991), (405, 3994), (810, 1997)]