193731321

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{593}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 302911488

約数和(自身を除く): 109180167

約数列:

[1, 3, 7, 21, 47, 141, 329, 331, 593, 987, 993, 1779, 2317, 4151, 6951, 12453, 15557, 27871, 46671, 83613, 108899, 195097, 196283, 326697, 585291, 588849, 1373981, 4121943, 9225301, 27675903, 64577107, 193731321]

約数ペア:

[(1, 193731321), (3, 64577107), (7, 27675903), (21, 9225301), (47, 4121943), (141, 1373981), (329, 588849), (331, 585291), (593, 326697), (987, 196283), (993, 195097), (1779, 108899), (2317, 83613), (4151, 46671), (6951, 27871), (12453, 15557)]