72807651

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 128366784

約数和(自身を除く): 55559133

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 157, 357, 433, 471, 1071, 1099, 1299, 1413, 2669, 3031, 3297, 3897, 7361, 8007, 9093, 9891, 18683, 22083, 24021, 27279, 51527, 56049, 66249, 67981, 154581, 168147, 203943, 463743, 475867, 611829, 1155677, 1427601, 3467031, 4282803, 8089739, 10401093, 24269217, 72807651]

約数ペア:

[(1, 72807651), (3, 24269217), (7, 10401093), (9, 8089739), (17, 4282803), (21, 3467031), (51, 1427601), (63, 1155677), (119, 611829), (153, 475867), (157, 463743), (357, 203943), (433, 168147), (471, 154581), (1071, 67981), (1099, 66249), (1299, 56049), (1413, 51527), (2669, 27279), (3031, 24021), (3297, 22083), (3897, 18683), (7361, 9891), (8007, 9093)]