206414595

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1781

約数の個数: 64

約数和(自身を含む): 396109440

約数和(自身を除く): 189694845

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 153, 159, 255, 265, 459, 477, 765, 795, 901, 1431, 1697, 2295, 2385, 2703, 4505, 5091, 7155, 8109, 8485, 13515, 15273, 24327, 25455, 28849, 40545, 45819, 76365, 86547, 89941, 121635, 144245, 229095, 259641, 269823, 432735, 449705, 778923, 809469, 1298205, 1349115, 1528997, 2428407, 3894615, 4047345, 4586991, 7644985, 12142035, 13760973, 22934955, 41282919, 68804865, 206414595]

約数ペア:

[(1, 206414595), (3, 68804865), (5, 41282919), (9, 22934955), (15, 13760973), (17, 12142035), (27, 7644985), (45, 4586991), (51, 4047345), (53, 3894615), (85, 2428407), (135, 1528997), (153, 1349115), (159, 1298205), (255, 809469), (265, 778923), (459, 449705), (477, 432735), (765, 269823), (795, 259641), (901, 229095), (1431, 144245), (1697, 121635), (2295, 89941), (2385, 86547), (2703, 76365), (4505, 45819), (5091, 40545), (7155, 28849), (8109, 25455), (8485, 24327), (13515, 15273)]