31400343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15787}}^1$

素因数の和:15823

約数の個数: 24

約数和(自身を含む): 51721488

約数和(自身を除く): 20321145

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15787, 47361, 142083, 205231, 268379, 615693, 805137, 1847079, 2415411, 3488927, 10466781, 31400343]

約数ペア:

[(1, 31400343), (3, 10466781), (9, 3488927), (13, 2415411), (17, 1847079), (39, 805137), (51, 615693), (117, 268379), (153, 205231), (221, 142083), (663, 47361), (1989, 15787)]