81845673

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 146227200

約数和(自身を除く): 64381527

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 133, 217, 247, 273, 399, 403, 509, 589, 651, 741, 1209, 1527, 1729, 1767, 2821, 3563, 4123, 5187, 6617, 7657, 8463, 9671, 10689, 12369, 15779, 19851, 22971, 29013, 46319, 47337, 53599, 67697, 110453, 125723, 138957, 160797, 203091, 205127, 299801, 331359, 377169, 615381, 880061, 899403, 1435889, 2098607, 2640183, 3897413, 4307667, 6295821, 11692239, 27281891, 81845673]

約数ペア:

[(1, 81845673), (3, 27281891), (7, 11692239), (13, 6295821), (19, 4307667), (21, 3897413), (31, 2640183), (39, 2098607), (57, 1435889), (91, 899403), (93, 880061), (133, 615381), (217, 377169), (247, 331359), (273, 299801), (399, 205127), (403, 203091), (509, 160797), (589, 138957), (651, 125723), (741, 110453), (1209, 67697), (1527, 53599), (1729, 47337), (1767, 46319), (2821, 29013), (3563, 22971), (4123, 19851), (5187, 15779), (6617, 12369), (7657, 10689), (8463, 9671)]