16615278

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{13001}}^1$

素因数の和:13080

約数の個数: 24

約数和(自身を含む): 36509616

約数和(自身を除く): 19894338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 13001, 26002, 39003, 78006, 117009, 234018, 923071, 1846142, 2769213, 5538426, 8307639, 16615278]

約数ペア:

[(1, 16615278), (2, 8307639), (3, 5538426), (6, 2769213), (9, 1846142), (18, 923071), (71, 234018), (142, 117009), (213, 78006), (426, 39003), (639, 26002), (1278, 13001)]