90270909

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 137088000

約数和(自身を除く): 46817091

約数列:

[1, 3, 9, 27, 67, 139, 201, 359, 417, 603, 1077, 1251, 1809, 3231, 3753, 9313, 9693, 24053, 27939, 49901, 72159, 83817, 149703, 216477, 251451, 449109, 649431, 1347327, 3343367, 10030101, 30090303, 90270909]

約数ペア:

[(1, 90270909), (3, 30090303), (9, 10030101), (27, 3343367), (67, 1347327), (139, 649431), (201, 449109), (359, 251451), (417, 216477), (603, 149703), (1077, 83817), (1251, 72159), (1809, 49901), (3231, 27939), (3753, 24053), (9313, 9693)]