6988996917

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{56687}}^1$

素因数の和:56822

約数の個数: 48

約数和(自身を含む): 12262748160

約数和(自身を除く): 5273751243

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 103, 133, 171, 309, 399, 721, 927, 1197, 1957, 2163, 5871, 6489, 13699, 17613, 41097, 56687, 123291, 170061, 396809, 510183, 1077053, 1190427, 3231159, 3571281, 5838761, 7539371, 9693477, 17516283, 22618113, 40871327, 52548849, 67854339, 110936459, 122613981, 332809377, 367841943, 776555213, 998428131, 2329665639, 6988996917]

約数ペア:

[(1, 6988996917), (3, 2329665639), (7, 998428131), (9, 776555213), (19, 367841943), (21, 332809377), (57, 122613981), (63, 110936459), (103, 67854339), (133, 52548849), (171, 40871327), (309, 22618113), (399, 17516283), (721, 9693477), (927, 7539371), (1197, 5838761), (1957, 3571281), (2163, 3231159), (5871, 1190427), (6489, 1077053), (13699, 510183), (17613, 396809), (41097, 170061), (56687, 123291)]