39421333

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 11266667

約数列:

[1, 7, 19, 23, 49, 133, 161, 263, 343, 437, 931, 1127, 1841, 3059, 4997, 6049, 6517, 7889, 12887, 21413, 34979, 42343, 90209, 114931, 149891, 244853, 296401, 804517, 1713971, 2074807, 5631619, 39421333]

約数ペア:

[(1, 39421333), (7, 5631619), (19, 2074807), (23, 1713971), (49, 804517), (133, 296401), (161, 244853), (263, 149891), (343, 114931), (437, 90209), (931, 42343), (1127, 34979), (1841, 21413), (3059, 12887), (4997, 7889), (6049, 6517)]