15623985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 28344960

約数和(自身を除く): 12720975

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 4217, 12651, 21085, 54821, 63255, 80123, 164463, 240369, 274105, 400615, 822315, 1041599, 1201845, 3124797, 5207995, 15623985]

約数ペア:

[(1, 15623985), (3, 5207995), (5, 3124797), (13, 1201845), (15, 1041599), (19, 822315), (39, 400615), (57, 274105), (65, 240369), (95, 164463), (195, 80123), (247, 63255), (285, 54821), (741, 21085), (1235, 12651), (3705, 4217)]