2923245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 5765760

約数和(自身を除く): 2842515

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 263, 285, 585, 741, 789, 855, 1235, 1315, 2223, 2367, 3419, 3705, 3945, 4997, 10257, 11115, 11835, 14991, 17095, 24985, 30771, 44973, 51285, 64961, 74955, 153855, 194883, 224865, 324805, 584649, 974415, 2923245]

約数ペア:

[(1, 2923245), (3, 974415), (5, 584649), (9, 324805), (13, 224865), (15, 194883), (19, 153855), (39, 74955), (45, 64961), (57, 51285), (65, 44973), (95, 30771), (117, 24985), (171, 17095), (195, 14991), (247, 11835), (263, 11115), (285, 10257), (585, 4997), (741, 3945), (789, 3705), (855, 3419), (1235, 2367), (1315, 2223)]