291978453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2063}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 443842560

約数和(自身を除く): 151864107

約数列:

[1, 3, 13, 19, 39, 57, 191, 247, 573, 741, 2063, 2483, 3629, 6189, 7449, 10887, 26819, 39197, 47177, 80457, 117591, 141531, 394033, 509561, 1182099, 1528683, 5122429, 7486627, 15367287, 22459881, 97326151, 291978453]

約数ペア:

[(1, 291978453), (3, 97326151), (13, 22459881), (19, 15367287), (39, 7486627), (57, 5122429), (191, 1528683), (247, 1182099), (573, 509561), (741, 394033), (2063, 141531), (2483, 117591), (3629, 80457), (6189, 47177), (7449, 39197), (10887, 26819)]