161640507

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{58757}}^1$

素因数の和:58898

約数の個数: 16

約数和(自身を含む): 248193792

約数和(自身を除く): 86553285

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 58757, 176271, 411299, 1233897, 7697167, 23091501, 53880169, 161640507]

約数ペア:

[(1, 161640507), (3, 53880169), (7, 23091501), (21, 7697167), (131, 1233897), (393, 411299), (917, 176271), (2751, 58757)]