321887943

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38749}}^1$

素因数の和:38839

約数の個数: 24

約数和(自身を含む): 507780000

約数和(自身を除く): 185892057

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 38749, 116247, 348741, 503737, 1511211, 2751179, 4533633, 8253537, 24760611, 35765327, 107295981, 321887943]

約数ペア:

[(1, 321887943), (3, 107295981), (9, 35765327), (13, 24760611), (39, 8253537), (71, 4533633), (117, 2751179), (213, 1511211), (639, 503737), (923, 348741), (2769, 116247), (8307, 38749)]