9872961

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 15649920

約数和(自身を除く): 5776959

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 1429, 2303, 4287, 6909, 10003, 30009, 67163, 70021, 201489, 210063, 470141, 1410423, 3290987, 9872961]

約数ペア:

[(1, 9872961), (3, 3290987), (7, 1410423), (21, 470141), (47, 210063), (49, 201489), (141, 70021), (147, 67163), (329, 30009), (987, 10003), (1429, 6909), (2303, 4287)]