202939821

素因数分解:

$3^2\times 7^2\times {\mathrm{460181}}^1$

素因数の和:460201

約数の個数: 18

約数和(自身を含む): 340994862

約数和(自身を除く): 138055041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 460181, 1380543, 3221267, 4141629, 9663801, 22548869, 28991403, 67646607, 202939821]

約数ペア:

[(1, 202939821), (3, 67646607), (7, 28991403), (9, 22548869), (21, 9663801), (49, 4141629), (63, 3221267), (147, 1380543), (441, 460181)]