1977183

素因数分解:

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

素因数の和:196

約数の個数: 32

約数和(自身を含む): 3252480

約数和(自身を除く): 1275297

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 131, 351, 387, 393, 559, 1161, 1179, 1677, 1703, 3537, 5031, 5109, 5633, 15093, 15327, 16899, 45981, 50697, 73229, 152091, 219687, 659061, 1977183]

約数ペア:

[(1, 1977183), (3, 659061), (9, 219687), (13, 152091), (27, 73229), (39, 50697), (43, 45981), (117, 16899), (129, 15327), (131, 15093), (351, 5633), (387, 5109), (393, 5031), (559, 3537), (1161, 1703), (1179, 1677)]