278323929

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{18731}}^1$

素因数の和:18877

約数の個数: 24

約数和(自身を含む): 436380672

約数和(自身を除く): 158056743

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1651, 4953, 14859, 18731, 56193, 168579, 243503, 730509, 2191527, 2378837, 7136511, 21409533, 30924881, 92774643, 278323929]

約数ペア:

[(1, 278323929), (3, 92774643), (9, 30924881), (13, 21409533), (39, 7136511), (117, 2378837), (127, 2191527), (381, 730509), (1143, 243503), (1651, 168579), (4953, 56193), (14859, 18731)]