311918019

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{2383}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 498008064

約数和(自身を除く): 186090045

約数列:

[1, 3, 7, 21, 23, 69, 161, 271, 483, 813, 1897, 2383, 5691, 6233, 7149, 16681, 18699, 43631, 50043, 54809, 130893, 164427, 383663, 645793, 1150989, 1937379, 4520551, 13561653, 14853239, 44559717, 103972673, 311918019]

約数ペア:

[(1, 311918019), (3, 103972673), (7, 44559717), (21, 14853239), (23, 13561653), (69, 4520551), (161, 1937379), (271, 1150989), (483, 645793), (813, 383663), (1897, 164427), (2383, 130893), (5691, 54809), (6233, 50043), (7149, 43631), (16681, 18699)]