138840891

素因数分解:

$3^1\times 7^1\times {\mathrm{1801}}^1\times {\mathrm{3671}}^1$

素因数の和:5482

約数の個数: 16

約数和(自身を含む): 211742208

約数和(自身を除く): 72901317

約数列:

[1, 3, 7, 21, 1801, 3671, 5403, 11013, 12607, 25697, 37821, 77091, 6611471, 19834413, 46280297, 138840891]

約数ペア:

[(1, 138840891), (3, 46280297), (7, 19834413), (21, 6611471), (1801, 77091), (3671, 37821), (5403, 25697), (11013, 12607)]