15420717

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7753}}^1$

素因数の和:7789

約数の個数: 24

約数和(自身を含む): 25402104

約数和(自身を除く): 9981387

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 7753, 23259, 69777, 100789, 131801, 302367, 395403, 907101, 1186209, 1713413, 5140239, 15420717]

約数ペア:

[(1, 15420717), (3, 5140239), (9, 1713413), (13, 1186209), (17, 907101), (39, 395403), (51, 302367), (117, 131801), (153, 100789), (221, 69777), (663, 23259), (1989, 7753)]