81964089

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{178571}}^1$

素因数の和:178597

約数の個数: 16

約数和(自身を含む): 128571840

約数和(自身を除く): 46607751

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 178571, 535713, 1607139, 3035707, 4821417, 9107121, 27321363, 81964089]

約数ペア:

[(1, 81964089), (3, 27321363), (9, 9107121), (17, 4821417), (27, 3035707), (51, 1607139), (153, 535713), (459, 178571)]