331330389

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{587}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 489573504

約数和(自身を除く): 158243115

約数列:

[1, 3, 13, 39, 41, 123, 353, 533, 587, 1059, 1599, 1761, 4589, 7631, 13767, 14473, 22893, 24067, 43419, 72201, 188149, 207211, 312871, 564447, 621633, 938613, 2693743, 8081229, 8495651, 25486953, 110443463, 331330389]

約数ペア:

[(1, 331330389), (3, 110443463), (13, 25486953), (39, 8495651), (41, 8081229), (123, 2693743), (353, 938613), (533, 621633), (587, 564447), (1059, 312871), (1599, 207211), (1761, 188149), (4589, 72201), (7631, 43419), (13767, 24067), (14473, 22893)]