28890045

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1601}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 50232312

約数和(自身を除く): 21342267

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 1601, 2005, 3609, 4803, 6015, 8005, 14409, 18045, 24015, 72045, 642001, 1926003, 3210005, 5778009, 9630015, 28890045]

約数ペア:

[(1, 28890045), (3, 9630015), (5, 5778009), (9, 3210005), (15, 1926003), (45, 642001), (401, 72045), (1203, 24015), (1601, 18045), (2005, 14409), (3609, 8005), (4803, 6015)]