81183675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2477}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 147490560

約数和(自身を除く): 66306885

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2185, 2477, 6555, 7431, 10925, 12385, 32775, 37155, 47063, 56971, 61925, 141189, 170913, 185775, 235315, 284855, 705945, 854565, 1082449, 1176575, 1424275, 3247347, 3529725, 4272825, 5412245, 16236735, 27061225, 81183675]

約数ペア:

[(1, 81183675), (3, 27061225), (5, 16236735), (15, 5412245), (19, 4272825), (23, 3529725), (25, 3247347), (57, 1424275), (69, 1176575), (75, 1082449), (95, 854565), (115, 705945), (285, 284855), (345, 235315), (437, 185775), (475, 170913), (575, 141189), (1311, 61925), (1425, 56971), (1725, 47063), (2185, 37155), (2477, 32775), (6555, 12385), (7431, 10925)]