1520281881

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 2330984448

約数和(自身を除く): 810702567

約数列:

[1, 3, 9, 31, 47, 93, 141, 191, 279, 423, 573, 607, 1457, 1719, 1821, 4371, 5463, 5921, 8977, 13113, 17763, 18817, 26931, 28529, 53289, 56451, 80793, 85587, 115937, 169353, 256761, 278287, 347811, 834861, 884399, 1043433, 2504583, 2653197, 3594047, 5449039, 7959591, 10782141, 16347117, 32346423, 49041351, 168920209, 506760627, 1520281881]

約数ペア:

[(1, 1520281881), (3, 506760627), (9, 168920209), (31, 49041351), (47, 32346423), (93, 16347117), (141, 10782141), (191, 7959591), (279, 5449039), (423, 3594047), (573, 2653197), (607, 2504583), (1457, 1043433), (1719, 884399), (1821, 834861), (4371, 347811), (5463, 278287), (5921, 256761), (8977, 169353), (13113, 115937), (17763, 85587), (18817, 80793), (26931, 56451), (28529, 53289)]