2777445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 5451264

約数和(自身を除く): 2673819

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 181, 279, 341, 465, 495, 543, 905, 1023, 1395, 1629, 1705, 1991, 2715, 3069, 5115, 5611, 5973, 8145, 9955, 15345, 16833, 17919, 28055, 29865, 50499, 61721, 84165, 89595, 185163, 252495, 308605, 555489, 925815, 2777445]

約数ペア:

[(1, 2777445), (3, 925815), (5, 555489), (9, 308605), (11, 252495), (15, 185163), (31, 89595), (33, 84165), (45, 61721), (55, 50499), (93, 29865), (99, 28055), (155, 17919), (165, 16833), (181, 15345), (279, 9955), (341, 8145), (465, 5973), (495, 5611), (543, 5115), (905, 3069), (1023, 2715), (1395, 1991), (1629, 1705)]