27961115

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8779}}^1$

素因数の和:8811

約数の個数: 24

約数和(自身を含む): 42038640

約数和(自身を除く): 14077525

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 8779, 43895, 61453, 114127, 307265, 430171, 570635, 798889, 2150855, 3994445, 5592223, 27961115]

約数ペア:

[(1, 27961115), (5, 5592223), (7, 3994445), (13, 2150855), (35, 798889), (49, 570635), (65, 430171), (91, 307265), (245, 114127), (455, 61453), (637, 43895), (3185, 8779)]