25245285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3557

約数の個数: 32

約数和(自身を含む): 44688000

約数和(自身を除く): 19442715

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 3499, 7215, 10497, 17495, 45487, 52485, 129463, 136461, 227435, 388389, 647315, 682305, 1683019, 1941945, 5049057, 8415095, 25245285]

約数ペア:

[(1, 25245285), (3, 8415095), (5, 5049057), (13, 1941945), (15, 1683019), (37, 682305), (39, 647315), (65, 388389), (111, 227435), (185, 136461), (195, 129463), (481, 52485), (555, 45487), (1443, 17495), (2405, 10497), (3499, 7215)]