71487381

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 115015680

約数和(自身を除く): 43528299

約数列:

[1, 3, 7, 21, 23, 69, 89, 161, 267, 483, 623, 1663, 1869, 2047, 4989, 6141, 11641, 14329, 34923, 38249, 42987, 114747, 148007, 267743, 444021, 803229, 1036049, 3108147, 3404161, 10212483, 23829127, 71487381]

約数ペア:

[(1, 71487381), (3, 23829127), (7, 10212483), (21, 3404161), (23, 3108147), (69, 1036049), (89, 803229), (161, 444021), (267, 267743), (483, 148007), (623, 114747), (1663, 42987), (1869, 38249), (2047, 34923), (4989, 14329), (6141, 11641)]