172798983

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 294218496

約数和(自身を除く): 121419513

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 227, 281, 301, 387, 681, 843, 903, 1589, 1967, 2043, 2529, 2709, 4767, 5901, 9761, 12083, 14301, 17703, 29283, 36249, 63787, 68327, 84581, 87849, 108747, 191361, 204981, 253743, 446509, 574083, 614943, 761229, 1339527, 2742841, 4018581, 8228523, 19199887, 24685569, 57599661, 172798983]

約数ペア:

[(1, 172798983), (3, 57599661), (7, 24685569), (9, 19199887), (21, 8228523), (43, 4018581), (63, 2742841), (129, 1339527), (227, 761229), (281, 614943), (301, 574083), (387, 446509), (681, 253743), (843, 204981), (903, 191361), (1589, 108747), (1967, 87849), (2043, 84581), (2529, 68327), (2709, 63787), (4767, 36249), (5901, 29283), (9761, 17703), (12083, 14301)]