40513311

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 62720000

約数和(自身を除く): 22206689

約数列:

[1, 3, 9, 27, 31, 93, 97, 279, 291, 499, 837, 873, 1497, 2619, 3007, 4491, 9021, 13473, 15469, 27063, 46407, 48403, 81189, 139221, 145209, 417663, 435627, 1306881, 1500493, 4501479, 13504437, 40513311]

約数ペア:

[(1, 40513311), (3, 13504437), (9, 4501479), (27, 1500493), (31, 1306881), (93, 435627), (97, 417663), (279, 145209), (291, 139221), (499, 81189), (837, 48403), (873, 46407), (1497, 27063), (2619, 15469), (3007, 13473), (4491, 9021)]