8218125

素因数分解:

$3^3\times 5^4\times {\mathrm{487}}^1$

素因数の和:516

約数の個数: 40

約数和(自身を含む): 15245120

約数和(自身を除く): 7026995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 487, 625, 675, 1125, 1461, 1875, 2435, 3375, 4383, 5625, 7305, 12175, 13149, 16875, 21915, 36525, 60875, 65745, 109575, 182625, 304375, 328725, 547875, 913125, 1643625, 2739375, 8218125]

約数ペア:

[(1, 8218125), (3, 2739375), (5, 1643625), (9, 913125), (15, 547875), (25, 328725), (27, 304375), (45, 182625), (75, 109575), (125, 65745), (135, 60875), (225, 36525), (375, 21915), (487, 16875), (625, 13149), (675, 12175), (1125, 7305), (1461, 5625), (1875, 4383), (2435, 3375)]