29986971

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 46881360

約数和(自身を除く): 16894389

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 1489, 2877, 4467, 6713, 10423, 20139, 31269, 72961, 203993, 218883, 611979, 1427951, 4283853, 9995657, 29986971]

約数ペア:

[(1, 29986971), (3, 9995657), (7, 4283853), (21, 1427951), (49, 611979), (137, 218883), (147, 203993), (411, 72961), (959, 31269), (1489, 20139), (2877, 10423), (4467, 6713)]