87172821

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1061}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 137635200

約数和(自身を除く): 50462379

約数列:

[1, 3, 9, 17, 27, 51, 153, 179, 459, 537, 1061, 1611, 3043, 3183, 4833, 9129, 9549, 18037, 27387, 28647, 54111, 82161, 162333, 189919, 486999, 569757, 1709271, 3228623, 5127813, 9685869, 29057607, 87172821]

約数ペア:

[(1, 87172821), (3, 29057607), (9, 9685869), (17, 5127813), (27, 3228623), (51, 1709271), (153, 569757), (179, 486999), (459, 189919), (537, 162333), (1061, 82161), (1611, 54111), (3043, 28647), (3183, 27387), (4833, 18037), (9129, 9549)]