28298391

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 43802880

約数和(自身を除く): 15504489

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 373, 627, 1119, 1331, 2299, 3993, 4103, 6897, 7087, 12309, 21261, 25289, 45133, 75867, 77957, 135399, 233871, 496463, 857527, 1489389, 2572581, 9432797, 28298391]

約数ペア:

[(1, 28298391), (3, 9432797), (11, 2572581), (19, 1489389), (33, 857527), (57, 496463), (121, 233871), (209, 135399), (363, 77957), (373, 75867), (627, 45133), (1119, 25289), (1331, 21261), (2299, 12309), (3993, 7087), (4103, 6897)]