155598417

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{18731}}^1$

素因数の和:18821

約数の個数: 24

約数和(自身を含む): 245464128

約数和(自身を除く): 89865711

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 18731, 56193, 168579, 243503, 730509, 1329901, 2191527, 3989703, 11969109, 17288713, 51866139, 155598417]

約数ペア:

[(1, 155598417), (3, 51866139), (9, 17288713), (13, 11969109), (39, 3989703), (71, 2191527), (117, 1329901), (213, 730509), (639, 243503), (923, 168579), (2769, 56193), (8307, 18731)]