64561275

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6732

約数の個数: 36

約数和(自身を含む): 118343368

約数和(自身を除く): 53782093

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 6673, 9675, 20019, 33365, 60057, 100095, 166825, 286939, 300285, 500475, 860817, 1434695, 1501425, 2582451, 4304085, 7173475, 12912255, 21520425, 64561275]

約数ペア:

[(1, 64561275), (3, 21520425), (5, 12912255), (9, 7173475), (15, 4304085), (25, 2582451), (43, 1501425), (45, 1434695), (75, 860817), (129, 500475), (215, 300285), (225, 286939), (387, 166825), (645, 100095), (1075, 60057), (1935, 33365), (3225, 20019), (6673, 9675)]