90657021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4549}}^1$

素因数の和:4645

約数の個数: 32

約数和(自身を含む): 150841600

約数和(自身を除く): 60184579

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 4549, 6643, 13647, 19929, 31843, 59137, 95529, 177411, 332077, 413959, 996231, 1241877, 2324539, 4317001, 6973617, 12951003, 30219007, 90657021]

約数ペア:

[(1, 90657021), (3, 30219007), (7, 12951003), (13, 6973617), (21, 4317001), (39, 2324539), (73, 1241877), (91, 996231), (219, 413959), (273, 332077), (511, 177411), (949, 95529), (1533, 59137), (2847, 31843), (4549, 19929), (6643, 13647)]