71247393

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^2$

素因数の和:426

約数の個数: 36

約数和(自身を含む): 122047744

約数和(自身を除く): 50800351

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 191, 217, 279, 573, 651, 1337, 1719, 1953, 4011, 5921, 12033, 17763, 36481, 41447, 53289, 109443, 124341, 255367, 328329, 373023, 766101, 1130911, 2298303, 3392733, 7916377, 10178199, 23749131, 71247393]

約数ペア:

[(1, 71247393), (3, 23749131), (7, 10178199), (9, 7916377), (21, 3392733), (31, 2298303), (63, 1130911), (93, 766101), (191, 373023), (217, 328329), (279, 255367), (573, 124341), (651, 109443), (1337, 53289), (1719, 41447), (1953, 36481), (4011, 17763), (5921, 12033)]