2731015

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3890592

約数和(自身を除く): 1159577

約数列:

[1, 5, 7, 35, 49, 71, 157, 245, 355, 497, 785, 1099, 2485, 3479, 5495, 7693, 11147, 17395, 38465, 55735, 78029, 390145, 546203, 2731015]

約数ペア:

[(1, 2731015), (5, 546203), (7, 390145), (35, 78029), (49, 55735), (71, 38465), (157, 17395), (245, 11147), (355, 7693), (497, 5495), (785, 3479), (1099, 2485)]