31789197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 36

約数和(自身を含む): 52450944

約数和(自身を除く): 20661747

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 529, 607, 759, 1587, 1821, 2277, 4761, 5463, 5819, 6677, 13961, 17457, 20031, 41883, 52371, 60093, 125649, 153571, 321103, 460713, 963309, 1382139, 2889927, 3532133, 10596399, 31789197]

約数ペア:

[(1, 31789197), (3, 10596399), (9, 3532133), (11, 2889927), (23, 1382139), (33, 963309), (69, 460713), (99, 321103), (207, 153571), (253, 125649), (529, 60093), (607, 52371), (759, 41883), (1587, 20031), (1821, 17457), (2277, 13961), (4761, 6677), (5463, 5819)]