51556365

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 106099200

約数和(自身を除く): 54542835

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 89, 105, 135, 189, 267, 315, 445, 613, 623, 801, 945, 1335, 1839, 1869, 2403, 3065, 3115, 4005, 4291, 5517, 5607, 9195, 9345, 12015, 12873, 16551, 16821, 21455, 27585, 28035, 38619, 54557, 64365, 82755, 84105, 115857, 163671, 193095, 272785, 381899, 491013, 579285, 818355, 1145697, 1473039, 1909495, 2455065, 3437091, 5728485, 7365195, 10311273, 17185455, 51556365]

約数ペア:

[(1, 51556365), (3, 17185455), (5, 10311273), (7, 7365195), (9, 5728485), (15, 3437091), (21, 2455065), (27, 1909495), (35, 1473039), (45, 1145697), (63, 818355), (89, 579285), (105, 491013), (135, 381899), (189, 272785), (267, 193095), (315, 163671), (445, 115857), (613, 84105), (623, 82755), (801, 64365), (945, 54557), (1335, 38619), (1839, 28035), (1869, 27585), (2403, 21455), (3065, 16821), (3115, 16551), (4005, 12873), (4291, 12015), (5517, 9345), (5607, 9195)]