138465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 255528

約数和(自身を除く): 117063

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 181, 255, 543, 765, 905, 1629, 2715, 3077, 8145, 9231, 15385, 27693, 46155, 138465]

約数ペア:

[(1, 138465), (3, 46155), (5, 27693), (9, 15385), (15, 9231), (17, 8145), (45, 3077), (51, 2715), (85, 1629), (153, 905), (181, 765), (255, 543)]