25703379

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 42514560

約数和(自身を除く): 16811181

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 131, 169, 351, 387, 393, 507, 559, 1161, 1179, 1521, 1677, 1703, 3537, 4563, 5031, 5109, 5633, 7267, 15093, 15327, 16899, 21801, 22139, 45981, 50697, 65403, 66417, 73229, 152091, 196209, 199251, 219687, 597753, 659061, 951977, 1977183, 2855931, 8567793, 25703379]

約数ペア:

[(1, 25703379), (3, 8567793), (9, 2855931), (13, 1977183), (27, 951977), (39, 659061), (43, 597753), (117, 219687), (129, 199251), (131, 196209), (169, 152091), (351, 73229), (387, 66417), (393, 65403), (507, 50697), (559, 45981), (1161, 22139), (1179, 21801), (1521, 16899), (1677, 15327), (1703, 15093), (3537, 7267), (4563, 5633), (5031, 5109)]