156720669

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 254721600

約数和(自身を除く): 98000931

約数列:

[1, 3, 7, 21, 29, 49, 87, 97, 147, 203, 291, 379, 609, 679, 1137, 1421, 2037, 2653, 2813, 4263, 4753, 7959, 8439, 10991, 14259, 18571, 19691, 32973, 36763, 55713, 59073, 76937, 110289, 137837, 230811, 257341, 413511, 538559, 772023, 1066127, 1615677, 1801387, 3198381, 5404161, 7462889, 22388667, 52240223, 156720669]

約数ペア:

[(1, 156720669), (3, 52240223), (7, 22388667), (21, 7462889), (29, 5404161), (49, 3198381), (87, 1801387), (97, 1615677), (147, 1066127), (203, 772023), (291, 538559), (379, 413511), (609, 257341), (679, 230811), (1137, 137837), (1421, 110289), (2037, 76937), (2653, 59073), (2813, 55713), (4263, 36763), (4753, 32973), (7959, 19691), (8439, 18571), (10991, 14259)]