81946449

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 135582720

約数和(自身を除く): 53636271

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 191, 193, 247, 573, 579, 741, 1719, 1737, 2223, 2483, 2509, 3629, 3667, 7449, 7527, 10887, 11001, 22347, 22581, 32661, 33003, 36863, 47177, 47671, 110589, 141531, 143013, 331767, 424593, 429039, 479219, 700397, 1437657, 2101191, 4312971, 6303573, 9105161, 27315483, 81946449]

約数ペア:

[(1, 81946449), (3, 27315483), (9, 9105161), (13, 6303573), (19, 4312971), (39, 2101191), (57, 1437657), (117, 700397), (171, 479219), (191, 429039), (193, 424593), (247, 331767), (573, 143013), (579, 141531), (741, 110589), (1719, 47671), (1737, 47177), (2223, 36863), (2483, 33003), (2509, 32661), (3629, 22581), (3667, 22347), (7449, 11001), (7527, 10887)]