71289267

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5449}}^1$

素因数の和:5555

約数の個数: 24

約数和(自身を含む): 111834000

約数和(自身を除く): 40544733

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 5449, 13083, 16347, 38143, 114429, 267001, 484961, 801003, 1454883, 3394727, 10184181, 23763089, 71289267]

約数ペア:

[(1, 71289267), (3, 23763089), (7, 10184181), (21, 3394727), (49, 1454883), (89, 801003), (147, 484961), (267, 267001), (623, 114429), (1869, 38143), (4361, 16347), (5449, 13083)]