215687464317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{273149}}^1$

素因数の和:273582

約数の個数: 48

約数和(自身を含む): 356146081200

約数和(自身を除く): 140458616883

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 397, 663, 1191, 1989, 3573, 5161, 6749, 15483, 20247, 46449, 60741, 87737, 263211, 273149, 789633, 819447, 2458341, 3550937, 4643533, 10652811, 13930599, 31958433, 41791797, 60365929, 108440153, 181097787, 325320459, 543293361, 975961377, 1409721989, 1843482601, 4229165967, 5530447803, 12687497901, 16591343409, 23965273813, 71895821439, 215687464317]

約数ペア:

[(1, 215687464317), (3, 71895821439), (9, 23965273813), (13, 16591343409), (17, 12687497901), (39, 5530447803), (51, 4229165967), (117, 1843482601), (153, 1409721989), (221, 975961377), (397, 543293361), (663, 325320459), (1191, 181097787), (1989, 108440153), (3573, 60365929), (5161, 41791797), (6749, 31958433), (15483, 13930599), (20247, 10652811), (46449, 4643533), (60741, 3550937), (87737, 2458341), (263211, 819447), (273149, 789633)]