2912881887

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{2521}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 4603154400

約数和(自身を除く): 1690272513

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 233, 261, 551, 699, 1653, 2097, 2521, 4427, 4959, 6757, 7563, 13281, 20271, 22689, 39843, 47899, 60813, 73109, 128383, 143697, 219327, 385149, 431091, 587393, 657981, 1155447, 1389071, 1762179, 4167213, 5286537, 11160467, 12501639, 17034397, 33481401, 51103191, 100444203, 153309573, 323653543, 970960629, 2912881887]

約数ペア:

[(1, 2912881887), (3, 970960629), (9, 323653543), (19, 153309573), (29, 100444203), (57, 51103191), (87, 33481401), (171, 17034397), (233, 12501639), (261, 11160467), (551, 5286537), (699, 4167213), (1653, 1762179), (2097, 1389071), (2521, 1155447), (4427, 657981), (4959, 587393), (6757, 431091), (7563, 385149), (13281, 219327), (20271, 143697), (22689, 128383), (39843, 73109), (47899, 60813)]