331399691

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2389}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 408690000

約数和(自身を除く): 77290309

約数列:

[1, 7, 19, 49, 133, 149, 931, 1043, 2389, 2831, 7301, 16723, 19817, 45391, 117061, 138719, 317737, 355961, 2224159, 2491727, 6763259, 17442089, 47342813, 331399691]

約数ペア:

[(1, 331399691), (7, 47342813), (19, 17442089), (49, 6763259), (133, 2491727), (149, 2224159), (931, 355961), (1043, 317737), (2389, 138719), (2831, 117061), (7301, 45391), (16723, 19817)]