161866719

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4663}}^1$

素因数の和:4724

約数の個数: 48

約数和(自身を含む): 291033600

約数和(自身を除く): 129166881

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1653, 1827, 3857, 4663, 4959, 11571, 13989, 32641, 34713, 41967, 88597, 97923, 135227, 265791, 293769, 405681, 620179, 797373, 946589, 1217043, 1860537, 2569313, 2839767, 5581611, 7707939, 8519301, 17985191, 23123817, 53955573, 161866719]

約数ペア:

[(1, 161866719), (3, 53955573), (7, 23123817), (9, 17985191), (19, 8519301), (21, 7707939), (29, 5581611), (57, 2839767), (63, 2569313), (87, 1860537), (133, 1217043), (171, 946589), (203, 797373), (261, 620179), (399, 405681), (551, 293769), (609, 265791), (1197, 135227), (1653, 97923), (1827, 88597), (3857, 41967), (4663, 34713), (4959, 32641), (11571, 13989)]