199698915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 368395776

約数和(自身を除く): 168696861

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 107, 195, 221, 255, 321, 535, 563, 663, 1105, 1391, 1605, 1689, 1819, 2815, 3315, 4173, 5457, 6955, 7319, 8445, 9095, 9571, 20865, 21957, 23647, 27285, 28713, 36595, 47855, 60241, 70941, 109785, 118235, 124423, 143565, 180723, 301205, 354705, 373269, 622115, 783133, 903615, 1024097, 1866345, 2349399, 3072291, 3915665, 5120485, 11746995, 13313261, 15361455, 39939783, 66566305, 199698915]

約数ペア:

[(1, 199698915), (3, 66566305), (5, 39939783), (13, 15361455), (15, 13313261), (17, 11746995), (39, 5120485), (51, 3915665), (65, 3072291), (85, 2349399), (107, 1866345), (195, 1024097), (221, 903615), (255, 783133), (321, 622115), (535, 373269), (563, 354705), (663, 301205), (1105, 180723), (1391, 143565), (1605, 124423), (1689, 118235), (1819, 109785), (2815, 70941), (3315, 60241), (4173, 47855), (5457, 36595), (6955, 28713), (7319, 27285), (8445, 23647), (9095, 21957), (9571, 20865)]