28151253

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 45315200

約数和(自身を除く): 17163947

約数列:

[1, 3, 9, 13, 27, 39, 117, 139, 351, 417, 577, 1251, 1731, 1807, 3753, 5193, 5421, 7501, 15579, 16263, 22503, 48789, 67509, 80203, 202527, 240609, 721827, 1042639, 2165481, 3127917, 9383751, 28151253]

約数ペア:

[(1, 28151253), (3, 9383751), (9, 3127917), (13, 2165481), (27, 1042639), (39, 721827), (117, 240609), (139, 202527), (351, 80203), (417, 67509), (577, 48789), (1251, 22503), (1731, 16263), (1807, 15579), (3753, 7501), (5193, 5421)]