31867257

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 13751943

約数列:

[1, 3, 43, 53, 59, 79, 129, 159, 177, 237, 2279, 2537, 3127, 3397, 4187, 4661, 6837, 7611, 9381, 10191, 12561, 13983, 134461, 180041, 200423, 247033, 403383, 540123, 601269, 741099, 10622419, 31867257]

約数ペア:

[(1, 31867257), (3, 10622419), (43, 741099), (53, 601269), (59, 540123), (79, 403383), (129, 247033), (159, 200423), (177, 180041), (237, 134461), (2279, 13983), (2537, 12561), (3127, 10191), (3397, 9381), (4187, 7611), (4661, 6837)]