81693143

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 101721744

約数和(自身を除く): 20028601

約数列:

[1, 7, 17, 49, 101, 119, 707, 833, 971, 1717, 4949, 6797, 12019, 16507, 47579, 84133, 98071, 115549, 686497, 808843, 1667207, 4805479, 11670449, 81693143]

約数ペア:

[(1, 81693143), (7, 11670449), (17, 4805479), (49, 1667207), (101, 808843), (119, 686497), (707, 115549), (833, 98071), (971, 84133), (1717, 47579), (4949, 16507), (6797, 12019)]