206576775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 399550320

約数和(自身を除く): 192973545

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 53, 75, 85, 153, 159, 225, 255, 265, 425, 477, 765, 795, 901, 1019, 1275, 1325, 2385, 2703, 3057, 3825, 3975, 4505, 5095, 8109, 9171, 11925, 13515, 15285, 17323, 22525, 25475, 40545, 45855, 51969, 54007, 67575, 76425, 86615, 155907, 162021, 202725, 229275, 259845, 270035, 433075, 486063, 779535, 810105, 918119, 1299225, 1350175, 2430315, 2754357, 3897675, 4050525, 4590595, 8263071, 12151575, 13771785, 22952975, 41315355, 68858925, 206576775]

約数ペア:

[(1, 206576775), (3, 68858925), (5, 41315355), (9, 22952975), (15, 13771785), (17, 12151575), (25, 8263071), (45, 4590595), (51, 4050525), (53, 3897675), (75, 2754357), (85, 2430315), (153, 1350175), (159, 1299225), (225, 918119), (255, 810105), (265, 779535), (425, 486063), (477, 433075), (765, 270035), (795, 259845), (901, 229275), (1019, 202725), (1275, 162021), (1325, 155907), (2385, 86615), (2703, 76425), (3057, 67575), (3825, 54007), (3975, 51969), (4505, 45855), (5095, 40545), (8109, 25475), (9171, 22525), (11925, 17323), (13515, 15285)]