40805925

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{12653}}^1$

素因数の和:12709

約数の個数: 24

約数和(自身を含む): 69040224

約数和(自身を除く): 28234299

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 12653, 37959, 63265, 189795, 316325, 544079, 948975, 1632237, 2720395, 8161185, 13601975, 40805925]

約数ペア:

[(1, 40805925), (3, 13601975), (5, 8161185), (15, 2720395), (25, 1632237), (43, 948975), (75, 544079), (129, 316325), (215, 189795), (645, 63265), (1075, 37959), (3225, 12653)]