17881641

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1328

約数の個数: 28

約数和(自身を含む): 28243120

約数和(自身を除く): 10361479

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1291, 1539, 3873, 4617, 11619, 13851, 24529, 34857, 73587, 104571, 220761, 313713, 662283, 941139, 1986849, 5960547, 17881641]

約数ペア:

[(1, 17881641), (3, 5960547), (9, 1986849), (19, 941139), (27, 662283), (57, 313713), (81, 220761), (171, 104571), (243, 73587), (513, 34857), (729, 24529), (1291, 13851), (1539, 11619), (3873, 4617)]