1285125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 2246400

約数和(自身を除く): 961275

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 149, 345, 375, 447, 575, 745, 1725, 2235, 2875, 3427, 3725, 8625, 10281, 11175, 17135, 18625, 51405, 55875, 85675, 257025, 428375, 1285125]

約数ペア:

[(1, 1285125), (3, 428375), (5, 257025), (15, 85675), (23, 55875), (25, 51405), (69, 18625), (75, 17135), (115, 11175), (125, 10281), (149, 8625), (345, 3725), (375, 3427), (447, 2875), (575, 2235), (745, 1725)]