13216881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 19611648

約数和(自身を除く): 6394767

約数列:

[1, 3, 23, 31, 37, 69, 93, 111, 167, 501, 713, 851, 1147, 2139, 2553, 3441, 3841, 5177, 6179, 11523, 15531, 18537, 26381, 79143, 119071, 142117, 191549, 357213, 426351, 574647, 4405627, 13216881]

約数ペア:

[(1, 13216881), (3, 4405627), (23, 574647), (31, 426351), (37, 357213), (69, 191549), (93, 142117), (111, 119071), (167, 79143), (501, 26381), (713, 18537), (851, 15531), (1147, 11523), (2139, 6179), (2553, 5177), (3441, 3841)]