561795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 1005312

約数和(自身を除く): 443517

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 67, 129, 195, 201, 215, 335, 559, 645, 871, 1005, 1677, 2613, 2795, 2881, 4355, 8385, 8643, 13065, 14405, 37453, 43215, 112359, 187265, 561795]

約数ペア:

[(1, 561795), (3, 187265), (5, 112359), (13, 43215), (15, 37453), (39, 14405), (43, 13065), (65, 8643), (67, 8385), (129, 4355), (195, 2881), (201, 2795), (215, 2613), (335, 1677), (559, 1005), (645, 871)]