1245842787

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14389}}^1$

素因数の和:14456

約数の個数: 48

約数和(自身を含む): 2099788800

約数和(自身を除く): 853946013

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 589, 651, 931, 1519, 1767, 2793, 4123, 4557, 12369, 14389, 28861, 43167, 86583, 100723, 273391, 302169, 446059, 705061, 820173, 1338177, 1913737, 2115183, 3122413, 5741211, 8475121, 9367239, 13396159, 21856891, 25425363, 40188477, 59325847, 65570673, 177977541, 415280929, 1245842787]

約数ペア:

[(1, 1245842787), (3, 415280929), (7, 177977541), (19, 65570673), (21, 59325847), (31, 40188477), (49, 25425363), (57, 21856891), (93, 13396159), (133, 9367239), (147, 8475121), (217, 5741211), (399, 3122413), (589, 2115183), (651, 1913737), (931, 1338177), (1519, 820173), (1767, 705061), (2793, 446059), (4123, 302169), (4557, 273391), (12369, 100723), (14389, 86583), (28861, 43167)]