12921753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{787}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 18622016

約数和(自身を除く): 5700263

約数列:

[1, 3, 13, 39, 421, 787, 1263, 2361, 5473, 10231, 16419, 30693, 331327, 993981, 4307251, 12921753]

約数ペア:

[(1, 12921753), (3, 4307251), (13, 993981), (39, 331327), (421, 30693), (787, 16419), (1263, 10231), (2361, 5473)]