28249599

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 17576961

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 701, 707, 1919, 2103, 2121, 4907, 5757, 13319, 13433, 14721, 39957, 40299, 70801, 93233, 212403, 279699, 495607, 1345219, 1486821, 4035657, 9416533, 28249599]

約数ペア:

[(1, 28249599), (3, 9416533), (7, 4035657), (19, 1486821), (21, 1345219), (57, 495607), (101, 279699), (133, 212403), (303, 93233), (399, 70801), (701, 40299), (707, 39957), (1919, 14721), (2103, 13433), (2121, 13319), (4907, 5757)]