18122775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2032

約数の個数: 36

約数和(自身を含む): 32951016

約数和(自身を除く): 14828241

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 1997, 3025, 5991, 9075, 9985, 21967, 29955, 49925, 65901, 109835, 149775, 241637, 329505, 549175, 724911, 1208185, 1647525, 3624555, 6040925, 18122775]

約数ペア:

[(1, 18122775), (3, 6040925), (5, 3624555), (11, 1647525), (15, 1208185), (25, 724911), (33, 549175), (55, 329505), (75, 241637), (121, 149775), (165, 109835), (275, 65901), (363, 49925), (605, 29955), (825, 21967), (1815, 9985), (1997, 9075), (3025, 5991)]