2903985

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{439}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 6019200

約数和(自身を除く): 3115215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 439, 441, 735, 945, 1317, 1323, 2195, 2205, 3073, 3951, 6585, 6615, 9219, 11853, 15365, 19755, 21511, 27657, 46095, 59265, 64533, 82971, 107555, 138285, 193599, 322665, 414855, 580797, 967995, 2903985]

約数ペア:

[(1, 2903985), (3, 967995), (5, 580797), (7, 414855), (9, 322665), (15, 193599), (21, 138285), (27, 107555), (35, 82971), (45, 64533), (49, 59265), (63, 46095), (105, 27657), (135, 21511), (147, 19755), (189, 15365), (245, 11853), (315, 9219), (439, 6615), (441, 6585), (735, 3951), (945, 3073), (1317, 2205), (1323, 2195)]