215465103

素因数分解:

$3^4\times 7^2\times {\mathrm{54287}}^1$

素因数の和:54313

約数の個数: 30

約数和(自身を含む): 374424336

約数和(自身を除く): 158959233

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 54287, 162861, 380009, 488583, 1140027, 1465749, 2660063, 3420081, 4397247, 7980189, 10260243, 23940567, 30780729, 71821701, 215465103]

約数ペア:

[(1, 215465103), (3, 71821701), (7, 30780729), (9, 23940567), (21, 10260243), (27, 7980189), (49, 4397247), (63, 3420081), (81, 2660063), (147, 1465749), (189, 1140027), (441, 488583), (567, 380009), (1323, 162861), (3969, 54287)]