161878497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 244469760

約数和(自身を除く): 82591263

約数列:

[1, 3, 11, 31, 33, 93, 229, 341, 687, 691, 1023, 2073, 2519, 7099, 7557, 7601, 21297, 21421, 22803, 64263, 78089, 158239, 234267, 235631, 474717, 706893, 1740629, 4905409, 5221887, 14716227, 53959499, 161878497]

約数ペア:

[(1, 161878497), (3, 53959499), (11, 14716227), (31, 5221887), (33, 4905409), (93, 1740629), (229, 706893), (341, 474717), (687, 235631), (691, 234267), (1023, 158239), (2073, 78089), (2519, 64263), (7099, 22803), (7557, 21421), (7601, 21297)]