18358137

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 31353600

約数和(自身を除く): 12995463

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 709, 959, 1233, 2127, 2877, 3699, 4963, 6381, 8631, 14889, 19143, 25893, 44667, 97133, 134001, 291399, 679931, 874197, 2039793, 2622591, 6119379, 18358137]

約数ペア:

[(1, 18358137), (3, 6119379), (7, 2622591), (9, 2039793), (21, 874197), (27, 679931), (63, 291399), (137, 134001), (189, 97133), (411, 44667), (709, 25893), (959, 19143), (1233, 14889), (2127, 8631), (2877, 6381), (3699, 4963)]