81528444

素因数分解:

$2^2\times 3^6\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 84

約数和(自身を含む): 217410816

約数和(自身を除く): 135882372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 324, 383, 438, 486, 657, 729, 766, 876, 972, 1149, 1314, 1458, 1532, 1971, 2298, 2628, 2916, 3447, 3942, 4596, 5913, 6894, 7884, 10341, 11826, 13788, 17739, 20682, 23652, 27959, 31023, 35478, 41364, 53217, 55918, 62046, 70956, 83877, 93069, 106434, 111836, 124092, 167754, 186138, 212868, 251631, 279207, 335508, 372276, 503262, 558414, 754893, 1006524, 1116828, 1509786, 2264679, 3019572, 4529358, 6794037, 9058716, 13588074, 20382111, 27176148, 40764222, 81528444]

約数ペア:

[(1, 81528444), (2, 40764222), (3, 27176148), (4, 20382111), (6, 13588074), (9, 9058716), (12, 6794037), (18, 4529358), (27, 3019572), (36, 2264679), (54, 1509786), (73, 1116828), (81, 1006524), (108, 754893), (146, 558414), (162, 503262), (219, 372276), (243, 335508), (292, 279207), (324, 251631), (383, 212868), (438, 186138), (486, 167754), (657, 124092), (729, 111836), (766, 106434), (876, 93069), (972, 83877), (1149, 70956), (1314, 62046), (1458, 55918), (1532, 53217), (1971, 41364), (2298, 35478), (2628, 31023), (2916, 27959), (3447, 23652), (3942, 20682), (4596, 17739), (5913, 13788), (6894, 11826), (7884, 10341)]