15581631

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 22858896

約数和(自身を除く): 7277265

約数列:

[1, 3, 13, 39, 73, 169, 219, 421, 507, 949, 1263, 2847, 5473, 12337, 16419, 30733, 37011, 71149, 92199, 213447, 399529, 1198587, 5193877, 15581631]

約数ペア:

[(1, 15581631), (3, 5193877), (13, 1198587), (39, 399529), (73, 213447), (169, 92199), (219, 71149), (421, 37011), (507, 30733), (949, 16419), (1263, 12337), (2847, 5473)]