28307907

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61673}}^1$

素因数の和:61699

約数の個数: 16

約数和(自身を含む): 44405280

約数和(自身を除く): 16097373

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 61673, 185019, 555057, 1048441, 1665171, 3145323, 9435969, 28307907]

約数ペア:

[(1, 28307907), (3, 9435969), (9, 3145323), (17, 1665171), (27, 1048441), (51, 555057), (153, 185019), (459, 61673)]