53640225

素因数分解:

$3^4\times 5^2\times {\mathrm{26489}}^1$

素因数の和:26511

約数の個数: 30

約数和(自身を含む): 99363990

約数和(自身を除く): 45723765

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 26489, 79467, 132445, 238401, 397335, 662225, 715203, 1192005, 1986675, 2145609, 3576015, 5960025, 10728045, 17880075, 53640225]

約数ペア:

[(1, 53640225), (3, 17880075), (5, 10728045), (9, 5960025), (15, 3576015), (25, 2145609), (27, 1986675), (45, 1192005), (75, 715203), (81, 662225), (135, 397335), (225, 238401), (405, 132445), (675, 79467), (2025, 26489)]