40149915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 69888000

約数和(自身を除く): 29738085

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1339, 1545, 1999, 4017, 5997, 6695, 9995, 20085, 25987, 29985, 77961, 129935, 205897, 389805, 617691, 1029485, 2676661, 3088455, 8029983, 13383305, 40149915]

約数ペア:

[(1, 40149915), (3, 13383305), (5, 8029983), (13, 3088455), (15, 2676661), (39, 1029485), (65, 617691), (103, 389805), (195, 205897), (309, 129935), (515, 77961), (1339, 29985), (1545, 25987), (1999, 20085), (4017, 9995), (5997, 6695)]