201920985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12569}}^1$

素因数の和:12607

約数の個数: 64

約数和(自身を含む): 434419200

約数和(自身を除く): 232498215

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 5355, 12569, 16065, 37707, 62845, 87983, 113121, 188535, 213673, 263949, 339363, 439915, 565605, 641019, 791847, 1068365, 1319745, 1495711, 1696815, 1923057, 2375541, 3205095, 3959235, 4487133, 5769171, 7478555, 9615285, 11877705, 13461399, 22435665, 28845855, 40384197, 67306995, 201920985]

約数ペア:

[(1, 201920985), (3, 67306995), (5, 40384197), (7, 28845855), (9, 22435665), (15, 13461399), (17, 11877705), (21, 9615285), (27, 7478555), (35, 5769171), (45, 4487133), (51, 3959235), (63, 3205095), (85, 2375541), (105, 1923057), (119, 1696815), (135, 1495711), (153, 1319745), (189, 1068365), (255, 791847), (315, 641019), (357, 565605), (459, 439915), (595, 339363), (765, 263949), (945, 213673), (1071, 188535), (1785, 113121), (2295, 87983), (3213, 62845), (5355, 37707), (12569, 16065)]