7988949

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 13068000

約数和(自身を除く): 5079051

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 179, 261, 513, 537, 551, 783, 1539, 1611, 1653, 2349, 3401, 4833, 4959, 5191, 10203, 14499, 14877, 15573, 30609, 44631, 46719, 91827, 98629, 140157, 275481, 295887, 420471, 887661, 2662983, 7988949]

約数ペア:

[(1, 7988949), (3, 2662983), (9, 887661), (19, 420471), (27, 295887), (29, 275481), (57, 140157), (81, 98629), (87, 91827), (171, 46719), (179, 44631), (261, 30609), (513, 15573), (537, 14877), (551, 14499), (783, 10203), (1539, 5191), (1611, 4959), (1653, 4833), (2349, 3401)]