9920673

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 17746560

約数和(自身を除く): 7825887

約数列:

[1, 3, 7, 9, 17, 21, 51, 59, 63, 119, 153, 157, 177, 357, 413, 471, 531, 1003, 1071, 1099, 1239, 1413, 2669, 3009, 3297, 3717, 7021, 8007, 9027, 9263, 9891, 18683, 21063, 24021, 27789, 56049, 63189, 64841, 83367, 157471, 168147, 194523, 472413, 583569, 1102297, 1417239, 3306891, 9920673]

約数ペア:

[(1, 9920673), (3, 3306891), (7, 1417239), (9, 1102297), (17, 583569), (21, 472413), (51, 194523), (59, 168147), (63, 157471), (119, 83367), (153, 64841), (157, 63189), (177, 56049), (357, 27789), (413, 24021), (471, 21063), (531, 18683), (1003, 9891), (1071, 9263), (1099, 9027), (1239, 8007), (1413, 7021), (2669, 3717), (3009, 3297)]