72211881

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3181}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 117301248

約数和(自身を除く): 45089367

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3181, 3243, 7567, 9543, 22267, 22701, 66801, 73163, 149507, 219489, 448521, 512141, 1046549, 1536423, 3139647, 3438661, 10315983, 24070627, 72211881]

約数ペア:

[(1, 72211881), (3, 24070627), (7, 10315983), (21, 3438661), (23, 3139647), (47, 1536423), (69, 1046549), (141, 512141), (161, 448521), (329, 219489), (483, 149507), (987, 73163), (1081, 66801), (3181, 22701), (3243, 22267), (7567, 9543)]