991999203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{194167}}^1$

素因数の和:194314

約数の個数: 16

約数和(自身を含む): 1435289856

約数和(自身を除く): 443290653

約数列:

[1, 3, 13, 39, 131, 393, 1703, 5109, 194167, 582501, 2524171, 7572513, 25435877, 76307631, 330666401, 991999203]

約数ペア:

[(1, 991999203), (3, 330666401), (13, 76307631), (39, 25435877), (131, 7572513), (393, 2524171), (1703, 582501), (5109, 194167)]