18081625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 24440832

約数和(自身を除く): 6359207

約数列:

[1, 5, 17, 25, 67, 85, 125, 127, 335, 425, 635, 1139, 1675, 2125, 2159, 3175, 5695, 8375, 8509, 10795, 15875, 28475, 42545, 53975, 142375, 144653, 212725, 269875, 723265, 1063625, 3616325, 18081625]

約数ペア:

[(1, 18081625), (5, 3616325), (17, 1063625), (25, 723265), (67, 269875), (85, 212725), (125, 144653), (127, 142375), (335, 53975), (425, 42545), (635, 28475), (1139, 15875), (1675, 10795), (2125, 8509), (2159, 8375), (3175, 5695)]