2783708289

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{16691}}^1$

素因数の和:16803

約数の個数: 40

約数和(自身を含む): 4362621120

約数和(自身を除く): 1578912831

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 213, 261, 639, 783, 1917, 2059, 2349, 5751, 6177, 16691, 18531, 50073, 55593, 150219, 166779, 450657, 484039, 1185061, 1351971, 1452117, 3555183, 4356351, 10665549, 13069053, 31996647, 34366769, 39207159, 95989941, 103100307, 309300921, 927902763, 2783708289]

約数ペア:

[(1, 2783708289), (3, 927902763), (9, 309300921), (27, 103100307), (29, 95989941), (71, 39207159), (81, 34366769), (87, 31996647), (213, 13069053), (261, 10665549), (639, 4356351), (783, 3555183), (1917, 1452117), (2059, 1351971), (2349, 1185061), (5751, 484039), (6177, 450657), (16691, 166779), (18531, 150219), (50073, 55593)]