21603125

素因数分解:

$5^5\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 27998208

約数和(自身を除く): 6395083

約数列:

[1, 5, 25, 31, 125, 155, 223, 625, 775, 1115, 3125, 3875, 5575, 6913, 19375, 27875, 34565, 96875, 139375, 172825, 696875, 864125, 4320625, 21603125]

約数ペア:

[(1, 21603125), (5, 4320625), (25, 864125), (31, 696875), (125, 172825), (155, 139375), (223, 96875), (625, 34565), (775, 27875), (1115, 19375), (3125, 6913), (3875, 5575)]