159872013

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{18523}}^1$

素因数の和:18673

約数の個数: 24

約数和(自身を含む): 265856448

約数和(自身を除く): 105984435

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 18523, 55569, 129661, 166707, 388983, 1166949, 2537651, 7612953, 17763557, 22838859, 53290671, 159872013]

約数ペア:

[(1, 159872013), (3, 53290671), (7, 22838859), (9, 17763557), (21, 7612953), (63, 2537651), (137, 1166949), (411, 388983), (959, 166707), (1233, 129661), (2877, 55569), (8631, 18523)]