56978055

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 105131520

約数和(自身を除く): 48153465

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 103, 171, 285, 309, 515, 647, 855, 927, 1545, 1941, 1957, 3235, 4635, 5823, 5871, 9705, 9785, 12293, 17613, 29115, 29355, 36879, 61465, 66641, 88065, 110637, 184395, 199923, 333205, 553185, 599769, 999615, 1266179, 2998845, 3798537, 6330895, 11395611, 18992685, 56978055]

約数ペア:

[(1, 56978055), (3, 18992685), (5, 11395611), (9, 6330895), (15, 3798537), (19, 2998845), (45, 1266179), (57, 999615), (95, 599769), (103, 553185), (171, 333205), (285, 199923), (309, 184395), (515, 110637), (647, 88065), (855, 66641), (927, 61465), (1545, 36879), (1941, 29355), (1957, 29115), (3235, 17613), (4635, 12293), (5823, 9785), (5871, 9705)]