87405759

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4284

約数の個数: 36

約数和(自身を含む): 150025824

約数和(自身を除く): 62620065

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 4217, 6909, 12651, 20727, 29519, 37953, 88557, 198199, 206633, 265671, 594597, 619899, 1387393, 1783791, 1859697, 4162179, 9711751, 12486537, 29135253, 87405759]

約数ペア:

[(1, 87405759), (3, 29135253), (7, 12486537), (9, 9711751), (21, 4162179), (47, 1859697), (49, 1783791), (63, 1387393), (141, 619899), (147, 594597), (329, 265671), (423, 206633), (441, 198199), (987, 88557), (2303, 37953), (2961, 29519), (4217, 20727), (6909, 12651)]