315804513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 453049344

約数和(自身を除く): 137244831

約数列:

[1, 3, 23, 43, 69, 129, 163, 489, 653, 989, 1959, 2967, 3749, 7009, 11247, 15019, 21027, 28079, 45057, 84237, 106439, 161207, 319317, 483621, 645817, 1937451, 2448097, 4576877, 7344291, 13730631, 105268171, 315804513]

約数ペア:

[(1, 315804513), (3, 105268171), (23, 13730631), (43, 7344291), (69, 4576877), (129, 2448097), (163, 1937451), (489, 645817), (653, 483621), (989, 319317), (1959, 161207), (2967, 106439), (3749, 84237), (7009, 45057), (11247, 28079), (15019, 21027)]