15206807

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 19576080

約数和(自身を除く): 4369273

約数列:

[1, 7, 11, 49, 77, 89, 317, 539, 623, 979, 2219, 3487, 4361, 6853, 15533, 24409, 28213, 47971, 170863, 197491, 310343, 1382437, 2172401, 15206807]

約数ペア:

[(1, 15206807), (7, 2172401), (11, 1382437), (49, 310343), (77, 197491), (89, 170863), (317, 47971), (539, 28213), (623, 24409), (979, 15533), (2219, 6853), (3487, 4361)]