2666961

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 4426240

約数和(自身を除く): 1759279

約数列:

[1, 3, 9, 11, 31, 33, 79, 93, 99, 121, 237, 279, 341, 363, 711, 869, 1023, 1089, 2449, 2607, 3069, 3751, 7347, 7821, 9559, 11253, 22041, 26939, 28677, 33759, 80817, 86031, 242451, 296329, 888987, 2666961]

約数ペア:

[(1, 2666961), (3, 888987), (9, 296329), (11, 242451), (31, 86031), (33, 80817), (79, 33759), (93, 28677), (99, 26939), (121, 22041), (237, 11253), (279, 9559), (341, 7821), (363, 7347), (711, 3751), (869, 3069), (1023, 2607), (1089, 2449)]