15910839

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 27061320

約数和(自身を除く): 11150481

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 331, 441, 763, 981, 993, 2289, 2317, 2979, 5341, 6867, 6951, 16023, 16219, 20853, 36079, 48069, 48657, 108237, 145971, 252553, 324711, 757659, 1767871, 2272977, 5303613, 15910839]

約数ペア:

[(1, 15910839), (3, 5303613), (7, 2272977), (9, 1767871), (21, 757659), (49, 324711), (63, 252553), (109, 145971), (147, 108237), (327, 48657), (331, 48069), (441, 36079), (763, 20853), (981, 16219), (993, 16023), (2289, 6951), (2317, 6867), (2979, 5341)]