17630217

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 29411712

約数和(自身を除く): 11781495

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 297, 421, 423, 517, 891, 1263, 1269, 1551, 3789, 3807, 4631, 4653, 11367, 13893, 13959, 19787, 34101, 41679, 41877, 59361, 125037, 178083, 217657, 375111, 534249, 652971, 1602747, 1958913, 5876739, 17630217]

約数ペア:

[(1, 17630217), (3, 5876739), (9, 1958913), (11, 1602747), (27, 652971), (33, 534249), (47, 375111), (81, 217657), (99, 178083), (141, 125037), (297, 59361), (421, 41877), (423, 41679), (517, 34101), (891, 19787), (1263, 13959), (1269, 13893), (1551, 11367), (3789, 4653), (3807, 4631)]