12991125

素因数分解:

$3^1\times 5^3\times 7^3\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 25459200

約数和(自身を除く): 12468075

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 101, 105, 125, 147, 175, 245, 303, 343, 375, 505, 525, 707, 735, 875, 1029, 1225, 1515, 1715, 2121, 2525, 2625, 3535, 3675, 4949, 5145, 6125, 7575, 8575, 10605, 12625, 14847, 17675, 18375, 24745, 25725, 34643, 37875, 42875, 53025, 74235, 88375, 103929, 123725, 128625, 173215, 265125, 371175, 519645, 618625, 866075, 1855875, 2598225, 4330375, 12991125]

約数ペア:

[(1, 12991125), (3, 4330375), (5, 2598225), (7, 1855875), (15, 866075), (21, 618625), (25, 519645), (35, 371175), (49, 265125), (75, 173215), (101, 128625), (105, 123725), (125, 103929), (147, 88375), (175, 74235), (245, 53025), (303, 42875), (343, 37875), (375, 34643), (505, 25725), (525, 24745), (707, 18375), (735, 17675), (875, 14847), (1029, 12625), (1225, 10605), (1515, 8575), (1715, 7575), (2121, 6125), (2525, 5145), (2625, 4949), (3535, 3675)]