977887779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{2963}}^1$

素因数の和:3187

約数の個数: 32

約数和(自身を含む): 1452881664

約数和(自身を除く): 474993885

約数列:

[1, 3, 11, 33, 73, 137, 219, 411, 803, 1507, 2409, 2963, 4521, 8889, 10001, 30003, 32593, 97779, 110011, 216299, 330033, 405931, 648897, 1217793, 2379289, 4465241, 7137867, 13395723, 29632963, 88898889, 325962593, 977887779]

約数ペア:

[(1, 977887779), (3, 325962593), (11, 88898889), (33, 29632963), (73, 13395723), (137, 7137867), (219, 4465241), (411, 2379289), (803, 1217793), (1507, 648897), (2409, 405931), (2963, 330033), (4521, 216299), (8889, 110011), (10001, 97779), (30003, 32593)]