27946905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 53187840

約数和(自身を除く): 25240935

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 705, 735, 809, 987, 1645, 2303, 2427, 4045, 4935, 5663, 6909, 11515, 12135, 16989, 28315, 34545, 38023, 39641, 84945, 114069, 118923, 190115, 198205, 266161, 570345, 594615, 798483, 1330805, 1863127, 3992415, 5589381, 9315635, 27946905]

約数ペア:

[(1, 27946905), (3, 9315635), (5, 5589381), (7, 3992415), (15, 1863127), (21, 1330805), (35, 798483), (47, 594615), (49, 570345), (105, 266161), (141, 198205), (147, 190115), (235, 118923), (245, 114069), (329, 84945), (705, 39641), (735, 38023), (809, 34545), (987, 28315), (1645, 16989), (2303, 12135), (2427, 11515), (4045, 6909), (4935, 5663)]