205897455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1487}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 380225664

約数和(自身を除く): 174328209

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 181, 255, 543, 765, 905, 1487, 1629, 2715, 3077, 4461, 7435, 8145, 9231, 13383, 15385, 22305, 25279, 27693, 46155, 66915, 75837, 126395, 138465, 227511, 269147, 379185, 807441, 1137555, 1345735, 2422323, 4037205, 4575499, 12111615, 13726497, 22877495, 41179491, 68632485, 205897455]

約数ペア:

[(1, 205897455), (3, 68632485), (5, 41179491), (9, 22877495), (15, 13726497), (17, 12111615), (45, 4575499), (51, 4037205), (85, 2422323), (153, 1345735), (181, 1137555), (255, 807441), (543, 379185), (765, 269147), (905, 227511), (1487, 138465), (1629, 126395), (2715, 75837), (3077, 66915), (4461, 46155), (7435, 27693), (8145, 25279), (9231, 22305), (13383, 15385)]