81156645

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{62189}}^1$

素因数の和:62229

約数の個数: 24

約数和(自身を含む): 145524600

約数和(自身を除く): 64367955

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 62189, 186567, 310945, 559701, 932835, 1803481, 2798505, 5410443, 9017405, 16231329, 27052215, 81156645]

約数ペア:

[(1, 81156645), (3, 27052215), (5, 16231329), (9, 9017405), (15, 5410443), (29, 2798505), (45, 1803481), (87, 932835), (145, 559701), (261, 310945), (435, 186567), (1305, 62189)]