320464917

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{28463}}^1$

素因数の和:28614

約数の個数: 20

約数和(自身を含む): 482180160

約数和(自身を除く): 161715243

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 28463, 85389, 256167, 768501, 2305503, 3956357, 11869071, 35607213, 106821639, 320464917]

約数ペア:

[(1, 320464917), (3, 106821639), (9, 35607213), (27, 11869071), (81, 3956357), (139, 2305503), (417, 768501), (1251, 256167), (3753, 85389), (11259, 28463)]