981090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 2785536

約数和(自身を除く): 1804446

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, 991, 1982, 2973, 4955, 5946, 8919, 9910, 10901, 14865, 17838, 21802, 29730, 32703, 44595, 54505, 65406, 89190, 98109, 109010, 163515, 196218, 327030, 490545, 981090]

約数ペア:

[(1, 981090), (2, 490545), (3, 327030), (5, 196218), (6, 163515), (9, 109010), (10, 98109), (11, 89190), (15, 65406), (18, 54505), (22, 44595), (30, 32703), (33, 29730), (45, 21802), (55, 17838), (66, 14865), (90, 10901), (99, 9910), (110, 8919), (165, 5946), (198, 4955), (330, 2973), (495, 1982), (990, 991)]