311993241

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 496419840

約数和(自身を除く): 184426599

約数列:

[1, 3, 7, 21, 49, 71, 147, 167, 179, 213, 497, 501, 537, 1169, 1253, 1491, 3479, 3507, 3759, 8183, 8771, 10437, 11857, 12709, 24549, 26313, 29893, 35571, 38127, 82999, 88963, 89679, 209251, 248997, 266889, 580993, 622741, 627753, 1464757, 1742979, 1868223, 2122403, 4394271, 6367209, 14856821, 44570463, 103997747, 311993241]

約数ペア:

[(1, 311993241), (3, 103997747), (7, 44570463), (21, 14856821), (49, 6367209), (71, 4394271), (147, 2122403), (167, 1868223), (179, 1742979), (213, 1464757), (497, 627753), (501, 622741), (537, 580993), (1169, 266889), (1253, 248997), (1491, 209251), (3479, 89679), (3507, 88963), (3759, 82999), (8183, 38127), (8771, 35571), (10437, 29893), (11857, 26313), (12709, 24549)]