42978369

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 68345856

約数和(自身を除く): 25367487

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 321, 617, 651, 749, 1851, 2247, 3317, 4319, 9951, 12957, 19127, 23219, 57381, 66019, 69657, 133889, 198057, 401667, 462133, 1386399, 2046589, 6139767, 14326123, 42978369]

約数ペア:

[(1, 42978369), (3, 14326123), (7, 6139767), (21, 2046589), (31, 1386399), (93, 462133), (107, 401667), (217, 198057), (321, 133889), (617, 69657), (651, 66019), (749, 57381), (1851, 23219), (2247, 19127), (3317, 12957), (4319, 9951)]