207949977

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 315302400

約数和(自身を除く): 107352423

約数列:

[1, 3, 9, 27, 67, 139, 201, 417, 603, 827, 1251, 1809, 2481, 3753, 7443, 9313, 22329, 27939, 55409, 83817, 114953, 166227, 251451, 344859, 498681, 1034577, 1496043, 3103731, 7701851, 23105553, 69316659, 207949977]

約数ペア:

[(1, 207949977), (3, 69316659), (9, 23105553), (27, 7701851), (67, 3103731), (139, 1496043), (201, 1034577), (417, 498681), (603, 344859), (827, 251451), (1251, 166227), (1809, 114953), (2481, 83817), (3753, 55409), (7443, 27939), (9313, 22329)]