31143489

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 49014720

約数和(自身を除く): 17871231

約数列:

[1, 3, 13, 19, 39, 53, 57, 61, 159, 169, 183, 247, 507, 689, 741, 793, 1007, 1159, 2067, 2379, 3021, 3211, 3233, 3477, 8957, 9633, 9699, 10309, 13091, 15067, 26871, 30927, 39273, 42029, 45201, 61427, 126087, 170183, 184281, 195871, 510549, 546377, 587613, 798551, 1639131, 2395653, 10381163, 31143489]

約数ペア:

[(1, 31143489), (3, 10381163), (13, 2395653), (19, 1639131), (39, 798551), (53, 587613), (57, 546377), (61, 510549), (159, 195871), (169, 184281), (183, 170183), (247, 126087), (507, 61427), (689, 45201), (741, 42029), (793, 39273), (1007, 30927), (1159, 26871), (2067, 15067), (2379, 13091), (3021, 10309), (3211, 9699), (3233, 9633), (3477, 8957)]