138421815

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4076

約数の個数: 48

約数和(自身を含む): 263181312

約数和(自身を除く): 124759497

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 705, 735, 987, 1645, 2303, 4007, 4935, 6909, 11515, 12021, 20035, 28049, 34545, 60105, 84147, 140245, 188329, 196343, 420735, 564987, 589029, 941645, 981715, 1318303, 2824935, 2945145, 3954909, 6591515, 9228121, 19774545, 27684363, 46140605, 138421815]

約数ペア:

[(1, 138421815), (3, 46140605), (5, 27684363), (7, 19774545), (15, 9228121), (21, 6591515), (35, 3954909), (47, 2945145), (49, 2824935), (105, 1318303), (141, 981715), (147, 941645), (235, 589029), (245, 564987), (329, 420735), (705, 196343), (735, 188329), (987, 140245), (1645, 84147), (2303, 60105), (4007, 34545), (4935, 28049), (6909, 20035), (11515, 12021)]