19770303

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12577857

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 701, 1343, 1659, 2103, 4029, 4907, 9401, 11917, 14721, 28203, 35751, 55379, 83419, 166137, 250257, 387653, 941443, 1162959, 2824329, 6590101, 19770303]

約数ペア:

[(1, 19770303), (3, 6590101), (7, 2824329), (17, 1162959), (21, 941443), (51, 387653), (79, 250257), (119, 166137), (237, 83419), (357, 55379), (553, 35751), (701, 28203), (1343, 14721), (1659, 11917), (2103, 9401), (4029, 4907)]