7124715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 14021280

約数和(自身を除く): 6896565

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 641, 741, 855, 1235, 1923, 2223, 3205, 3705, 5769, 8333, 9615, 11115, 12179, 24999, 28845, 36537, 41665, 60895, 74997, 109611, 124995, 158327, 182685, 374985, 474981, 548055, 791635, 1424943, 2374905, 7124715]

約数ペア:

[(1, 7124715), (3, 2374905), (5, 1424943), (9, 791635), (13, 548055), (15, 474981), (19, 374985), (39, 182685), (45, 158327), (57, 124995), (65, 109611), (95, 74997), (117, 60895), (171, 41665), (195, 36537), (247, 28845), (285, 24999), (585, 12179), (641, 11115), (741, 9615), (855, 8333), (1235, 5769), (1923, 3705), (2223, 3205)]