2171718

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 4878720

約数和(自身を除く): 2707002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 307, 393, 614, 786, 921, 1179, 1842, 2358, 2763, 3537, 5526, 7074, 8289, 16578, 40217, 80434, 120651, 241302, 361953, 723906, 1085859, 2171718]

約数ペア:

[(1, 2171718), (2, 1085859), (3, 723906), (6, 361953), (9, 241302), (18, 120651), (27, 80434), (54, 40217), (131, 16578), (262, 8289), (307, 7074), (393, 5526), (614, 3537), (786, 2763), (921, 2358), (1179, 1842)]