28611990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28901}}^1$

素因数の和:28925

約数の個数: 48

約数和(自身を含む): 81156816

約数和(自身を除く): 52544826

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 28901, 57802, 86703, 144505, 173406, 260109, 289010, 317911, 433515, 520218, 635822, 867030, 953733, 1300545, 1589555, 1907466, 2601090, 2861199, 3179110, 4768665, 5722398, 9537330, 14305995, 28611990]

約数ペア:

[(1, 28611990), (2, 14305995), (3, 9537330), (5, 5722398), (6, 4768665), (9, 3179110), (10, 2861199), (11, 2601090), (15, 1907466), (18, 1589555), (22, 1300545), (30, 953733), (33, 867030), (45, 635822), (55, 520218), (66, 433515), (90, 317911), (99, 289010), (110, 260109), (165, 173406), (198, 144505), (330, 86703), (495, 57802), (990, 28901)]