81693117

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 134013792

約数和(自身を除く): 52320675

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 277, 297, 331, 831, 891, 993, 2493, 2979, 3047, 3641, 7479, 8937, 9141, 10923, 22437, 26811, 27423, 32769, 82269, 91687, 98307, 246807, 275061, 294921, 825183, 1008557, 2475549, 3025671, 7426647, 9077013, 27231039, 81693117]

約数ペア:

[(1, 81693117), (3, 27231039), (9, 9077013), (11, 7426647), (27, 3025671), (33, 2475549), (81, 1008557), (99, 825183), (277, 294921), (297, 275061), (331, 246807), (831, 98307), (891, 91687), (993, 82269), (2493, 32769), (2979, 27423), (3047, 26811), (3641, 22437), (7479, 10923), (8937, 9141)]