200912715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 371026656

約数和(自身を除く): 170113941

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 181, 255, 543, 765, 905, 1451, 1629, 2715, 3077, 4353, 7255, 8145, 9231, 13059, 15385, 21765, 24667, 27693, 46155, 65295, 74001, 123335, 138465, 222003, 262631, 370005, 787893, 1110015, 1313155, 2363679, 3939465, 4464727, 11818395, 13394181, 22323635, 40182543, 66970905, 200912715]

約数ペア:

[(1, 200912715), (3, 66970905), (5, 40182543), (9, 22323635), (15, 13394181), (17, 11818395), (45, 4464727), (51, 3939465), (85, 2363679), (153, 1313155), (181, 1110015), (255, 787893), (543, 370005), (765, 262631), (905, 222003), (1451, 138465), (1629, 123335), (2715, 74001), (3077, 65295), (4353, 46155), (7255, 27693), (8145, 24667), (9231, 21765), (13059, 15385)]