201821893

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20347}}^1$

素因数の和:20476

約数の個数: 16

約数和(自身を含む): 250687360

約数和(自身を除く): 48865467

約数列:

[1, 7, 13, 91, 109, 763, 1417, 9919, 20347, 142429, 264511, 1851577, 2217823, 15524761, 28831699, 201821893]

約数ペア:

[(1, 201821893), (7, 28831699), (13, 15524761), (91, 2217823), (109, 1851577), (763, 264511), (1417, 142429), (9919, 20347)]