756720981

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{563}}^1\times {\mathrm{743}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 1141355520

約数和(自身を除く): 384634539

約数列:

[1, 3, 9, 27, 67, 201, 563, 603, 743, 1689, 1809, 2229, 5067, 6687, 15201, 20061, 37721, 49781, 113163, 149343, 339489, 418309, 448029, 1018467, 1254927, 1344087, 3764781, 11294343, 28026703, 84080109, 252240327, 756720981]

約数ペア:

[(1, 756720981), (3, 252240327), (9, 84080109), (27, 28026703), (67, 11294343), (201, 3764781), (563, 1344087), (603, 1254927), (743, 1018467), (1689, 448029), (1809, 418309), (2229, 339489), (5067, 149343), (6687, 113163), (15201, 49781), (20061, 37721)]