399165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 725760

約数和(自身を除く): 326595

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 89, 115, 195, 267, 299, 345, 445, 897, 1157, 1335, 1495, 2047, 3471, 4485, 5785, 6141, 10235, 17355, 26611, 30705, 79833, 133055, 399165]

約数ペア:

[(1, 399165), (3, 133055), (5, 79833), (13, 30705), (15, 26611), (23, 17355), (39, 10235), (65, 6141), (69, 5785), (89, 4485), (115, 3471), (195, 2047), (267, 1495), (299, 1335), (345, 1157), (445, 897)]