209968239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173671}}^1$

素因数の和:173718

約数の個数: 16

約数和(自身を含む): 311220224

約数和(自身を除く): 101251985

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 173671, 521013, 2257723, 5383801, 6773169, 16151403, 69989413, 209968239]

約数ペア:

[(1, 209968239), (3, 69989413), (13, 16151403), (31, 6773169), (39, 5383801), (93, 2257723), (403, 521013), (1209, 173671)]