371997561

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 599098080

約数和(自身を除く): 227100519

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 73, 169, 219, 247, 299, 437, 507, 529, 741, 897, 949, 1311, 1387, 1587, 1679, 2847, 3211, 3887, 4161, 5037, 5681, 6877, 9633, 10051, 11661, 12337, 17043, 18031, 20631, 21827, 30153, 31901, 37011, 38617, 54093, 65481, 73853, 89401, 95703, 115851, 130663, 221559, 234403, 268203, 283751, 391989, 414713, 502021, 703209, 733723, 851253, 1244139, 1506063, 1698619, 2201169, 5095857, 5391269, 6526273, 9538399, 16173807, 19578819, 28615197, 123999187, 371997561]

約数ペア:

[(1, 371997561), (3, 123999187), (13, 28615197), (19, 19578819), (23, 16173807), (39, 9538399), (57, 6526273), (69, 5391269), (73, 5095857), (169, 2201169), (219, 1698619), (247, 1506063), (299, 1244139), (437, 851253), (507, 733723), (529, 703209), (741, 502021), (897, 414713), (949, 391989), (1311, 283751), (1387, 268203), (1587, 234403), (1679, 221559), (2847, 130663), (3211, 115851), (3887, 95703), (4161, 89401), (5037, 73853), (5681, 65481), (6877, 54093), (9633, 38617), (10051, 37011), (11661, 31901), (12337, 30153), (17043, 21827), (18031, 20631)]