27720681513

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{641}}^1\times {\mathrm{5521}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 42428044032

約数和(自身を除く): 14707362519

約数列:

[1, 3, 7, 21, 373, 641, 1119, 1923, 2611, 4487, 5521, 7833, 13461, 16563, 38647, 115941, 239093, 717279, 1673651, 2059333, 3538961, 5020953, 6177999, 10616883, 14415331, 24772727, 43245993, 74318181, 1320032453, 3960097359, 9240227171, 27720681513]

約数ペア:

[(1, 27720681513), (3, 9240227171), (7, 3960097359), (21, 1320032453), (373, 74318181), (641, 43245993), (1119, 24772727), (1923, 14415331), (2611, 10616883), (4487, 6177999), (5521, 5020953), (7833, 3538961), (13461, 2059333), (16563, 1673651), (38647, 717279), (115941, 239093)]