309520771

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 377753600

約数和(自身を除く): 68232829

約数列:

[1, 7, 31, 61, 67, 217, 349, 427, 469, 1891, 2077, 2443, 4087, 10819, 13237, 14539, 21289, 23383, 28609, 75733, 126697, 149023, 163681, 659959, 724873, 886879, 1426363, 4619713, 5074111, 9984541, 44217253, 309520771]

約数ペア:

[(1, 309520771), (7, 44217253), (31, 9984541), (61, 5074111), (67, 4619713), (217, 1426363), (349, 886879), (427, 724873), (469, 659959), (1891, 163681), (2077, 149023), (2443, 126697), (4087, 75733), (10819, 28609), (13237, 23383), (14539, 21289)]