13919913

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 25084800

約数和(自身を除く): 11164887

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 401, 551, 609, 1197, 1203, 1653, 1827, 2807, 3609, 3857, 4959, 7619, 8421, 11571, 11629, 22857, 25263, 34713, 34887, 53333, 68571, 81403, 104661, 159999, 220951, 244209, 479997, 662853, 732627, 1546657, 1988559, 4639971, 13919913]

約数ペア:

[(1, 13919913), (3, 4639971), (7, 1988559), (9, 1546657), (19, 732627), (21, 662853), (29, 479997), (57, 244209), (63, 220951), (87, 159999), (133, 104661), (171, 81403), (203, 68571), (261, 53333), (399, 34887), (401, 34713), (551, 25263), (609, 22857), (1197, 11629), (1203, 11571), (1653, 8421), (1827, 7619), (2807, 4959), (3609, 3857)]