42386715

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 87497280

約数和(自身を除く): 45110565

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 235, 245, 315, 329, 409, 423, 441, 705, 735, 987, 1227, 1645, 2045, 2115, 2205, 2303, 2863, 2961, 3681, 4935, 6135, 6909, 8589, 11515, 14315, 14805, 18405, 19223, 20041, 20727, 25767, 34545, 42945, 57669, 60123, 96115, 100205, 103635, 128835, 134561, 173007, 180369, 288345, 300615, 403683, 672805, 865035, 901845, 941927, 1211049, 2018415, 2825781, 4709635, 6055245, 8477343, 14128905, 42386715]

約数ペア:

[(1, 42386715), (3, 14128905), (5, 8477343), (7, 6055245), (9, 4709635), (15, 2825781), (21, 2018415), (35, 1211049), (45, 941927), (47, 901845), (49, 865035), (63, 672805), (105, 403683), (141, 300615), (147, 288345), (235, 180369), (245, 173007), (315, 134561), (329, 128835), (409, 103635), (423, 100205), (441, 96115), (705, 60123), (735, 57669), (987, 42945), (1227, 34545), (1645, 25767), (2045, 20727), (2115, 20041), (2205, 19223), (2303, 18405), (2863, 14805), (2961, 14315), (3681, 11515), (4935, 8589), (6135, 6909)]