20211225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8693}}^1$

素因数の和:8737

約数の個数: 24

約数和(自身を含む): 34497792

約数和(自身を除く): 14286567

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8693, 26079, 43465, 130395, 217325, 269483, 651975, 808449, 1347415, 4042245, 6737075, 20211225]

約数ペア:

[(1, 20211225), (3, 6737075), (5, 4042245), (15, 1347415), (25, 808449), (31, 651975), (75, 269483), (93, 217325), (155, 130395), (465, 43465), (775, 26079), (2325, 8693)]