139299225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{142871}}^1$

素因数の和:142897

約数の個数: 24

約数和(自身を含む): 248025792

約数和(自身を除く): 108726567

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 142871, 428613, 714355, 1857323, 2143065, 3571775, 5571969, 9286615, 10715325, 27859845, 46433075, 139299225]

約数ペア:

[(1, 139299225), (3, 46433075), (5, 27859845), (13, 10715325), (15, 9286615), (25, 5571969), (39, 3571775), (65, 2143065), (75, 1857323), (195, 714355), (325, 428613), (975, 142871)]