51321285

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16063}}^1$

素因数の和:16145

約数の個数: 24

約数和(自身を含む): 90215424

約数和(自身を除く): 38894139

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 16063, 48189, 80315, 144567, 240945, 722835, 1140473, 3421419, 5702365, 10264257, 17107095, 51321285]

約数ペア:

[(1, 51321285), (3, 17107095), (5, 10264257), (9, 5702365), (15, 3421419), (45, 1140473), (71, 722835), (213, 240945), (355, 144567), (639, 80315), (1065, 48189), (3195, 16063)]