12013125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 20618400

約数和(自身を除く): 8605275

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 149, 215, 375, 447, 625, 645, 745, 1075, 1875, 2235, 3225, 3725, 5375, 6407, 11175, 16125, 18625, 19221, 26875, 32035, 55875, 80625, 93125, 96105, 160175, 279375, 480525, 800875, 2402625, 4004375, 12013125]

約数ペア:

[(1, 12013125), (3, 4004375), (5, 2402625), (15, 800875), (25, 480525), (43, 279375), (75, 160175), (125, 96105), (129, 93125), (149, 80625), (215, 55875), (375, 32035), (447, 26875), (625, 19221), (645, 18625), (745, 16125), (1075, 11175), (1875, 6407), (2235, 5375), (3225, 3725)]