205657857783

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^2\times {\mathrm{263}}^1\times {\mathrm{1567}}^1$

素因数の和:2021

約数の個数: 72

約数和(自身を含む): 344881625088

約数和(自身を除く): 139223767305

約数列:

[1, 3, 7, 9, 21, 63, 89, 263, 267, 623, 789, 801, 1567, 1841, 1869, 2367, 4701, 5523, 5607, 7921, 10969, 14103, 16569, 23407, 23763, 32907, 55447, 70221, 71289, 98721, 139463, 163849, 166341, 210663, 412121, 418389, 491547, 499023, 976241, 1236363, 1255167, 1474641, 2083223, 2884847, 2928723, 3709089, 6249669, 8654541, 8786169, 12412207, 14582561, 18749007, 25963623, 36678769, 37236621, 43747683, 86885449, 110036307, 111709863, 131243049, 256751383, 260656347, 330108921, 770254149, 781969041, 2310762447, 3264410441, 9793231323, 22850873087, 29379693969, 68552619261, 205657857783]

約数ペア:

[(1, 205657857783), (3, 68552619261), (7, 29379693969), (9, 22850873087), (21, 9793231323), (63, 3264410441), (89, 2310762447), (263, 781969041), (267, 770254149), (623, 330108921), (789, 260656347), (801, 256751383), (1567, 131243049), (1841, 111709863), (1869, 110036307), (2367, 86885449), (4701, 43747683), (5523, 37236621), (5607, 36678769), (7921, 25963623), (10969, 18749007), (14103, 14582561), (16569, 12412207), (23407, 8786169), (23763, 8654541), (32907, 6249669), (55447, 3709089), (70221, 2928723), (71289, 2884847), (98721, 2083223), (139463, 1474641), (163849, 1255167), (166341, 1236363), (210663, 976241), (412121, 499023), (418389, 491547)]