989957493

素因数分解:

$3^2\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{12703}}^1$

素因数の和:13953

約数の個数: 24

約数和(自身を含む): 1635665408

約数和(自身を除く): 645707915

約数列:

[1, 3, 7, 9, 21, 63, 1237, 3711, 8659, 11133, 12703, 25977, 38109, 77931, 88921, 114327, 266763, 800289, 15713611, 47140833, 109995277, 141422499, 329985831, 989957493]

約数ペア:

[(1, 989957493), (3, 329985831), (7, 141422499), (9, 109995277), (21, 47140833), (63, 15713611), (1237, 800289), (3711, 266763), (8659, 114327), (11133, 88921), (12703, 77931), (25977, 38109)]