287672259

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2939}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 451584000

約数和(自身を除く): 163911741

約数列:

[1, 3, 7, 21, 59, 79, 177, 237, 413, 553, 1239, 1659, 2939, 4661, 8817, 13983, 20573, 32627, 61719, 97881, 173401, 232181, 520203, 696543, 1213807, 1625267, 3641421, 4875801, 13698679, 41096037, 95890753, 287672259]

約数ペア:

[(1, 287672259), (3, 95890753), (7, 41096037), (21, 13698679), (59, 4875801), (79, 3641421), (177, 1625267), (237, 1213807), (413, 696543), (553, 520203), (1239, 232181), (1659, 173401), (2939, 97881), (4661, 61719), (8817, 32627), (13983, 20573)]