12901875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{983}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 24592128

約数和(自身を除く): 11690253

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 983, 1875, 2625, 2949, 4375, 4915, 6881, 13125, 14745, 20643, 24575, 34405, 73725, 103215, 122875, 172025, 368625, 516075, 614375, 860125, 1843125, 2580375, 4300625, 12901875]

約数ペア:

[(1, 12901875), (3, 4300625), (5, 2580375), (7, 1843125), (15, 860125), (21, 614375), (25, 516075), (35, 368625), (75, 172025), (105, 122875), (125, 103215), (175, 73725), (375, 34405), (525, 24575), (625, 20643), (875, 14745), (983, 13125), (1875, 6881), (2625, 4915), (2949, 4375)]