638625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:162

約数の個数: 32

約数和(自身を含む): 1153152

約数和(自身を除く): 514527

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 131, 195, 325, 375, 393, 655, 975, 1625, 1703, 1965, 3275, 4875, 5109, 8515, 9825, 16375, 25545, 42575, 49125, 127725, 212875, 638625]

約数ペア:

[(1, 638625), (3, 212875), (5, 127725), (13, 49125), (15, 42575), (25, 25545), (39, 16375), (65, 9825), (75, 8515), (125, 5109), (131, 4875), (195, 3275), (325, 1965), (375, 1703), (393, 1625), (655, 975)]