289247907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4889}}^1$

素因数の和:4983

約数の個数: 32

約数和(自身を含む): 437048640

約数和(自身を除く): 147800733

約数列:

[1, 3, 13, 37, 39, 41, 111, 123, 481, 533, 1443, 1517, 1599, 4551, 4889, 14667, 19721, 59163, 63557, 180893, 190671, 200449, 542679, 601347, 2351609, 2605837, 7054827, 7416613, 7817511, 22249839, 96415969, 289247907]

約数ペア:

[(1, 289247907), (3, 96415969), (13, 22249839), (37, 7817511), (39, 7416613), (41, 7054827), (111, 2605837), (123, 2351609), (481, 601347), (533, 542679), (1443, 200449), (1517, 190671), (1599, 180893), (4551, 63557), (4889, 59163), (14667, 19721)]