81578061

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2293}}^1$

素因数の和:2425

約数の個数: 24

約数和(自身を含む): 121673760

約数和(自身を除く): 40095699

約数列:

[1, 3, 9, 59, 67, 177, 201, 531, 603, 2293, 3953, 6879, 11859, 20637, 35577, 135287, 153631, 405861, 460893, 1217583, 1382679, 9064229, 27192687, 81578061]

約数ペア:

[(1, 81578061), (3, 27192687), (9, 9064229), (59, 1382679), (67, 1217583), (177, 460893), (201, 405861), (531, 153631), (603, 135287), (2293, 35577), (3953, 20637), (6879, 11859)]