217647625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{887}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 294787584

約数和(自身を除く): 77139959

約数列:

[1, 5, 13, 25, 65, 125, 151, 325, 755, 887, 1625, 1963, 3775, 4435, 9815, 11531, 18875, 22175, 49075, 57655, 110875, 133937, 245375, 288275, 669685, 1441375, 1741181, 3348425, 8705905, 16742125, 43529525, 217647625]

約数ペア:

[(1, 217647625), (5, 43529525), (13, 16742125), (25, 8705905), (65, 3348425), (125, 1741181), (151, 1441375), (325, 669685), (755, 288275), (887, 245375), (1625, 133937), (1963, 110875), (3775, 57655), (4435, 49075), (9815, 22175), (11531, 18875)]