217921158

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 606627840

約数和(自身を除く): 388706682

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 61, 63, 78, 91, 117, 122, 126, 182, 183, 189, 234, 273, 351, 366, 378, 427, 546, 549, 702, 727, 793, 819, 854, 1098, 1281, 1454, 1586, 1638, 1647, 2181, 2379, 2457, 2562, 3294, 3843, 4362, 4758, 4914, 5089, 5551, 6543, 7137, 7686, 9451, 10178, 11102, 11529, 13086, 14274, 15267, 16653, 18902, 19629, 21411, 23058, 28353, 30534, 33306, 39258, 42822, 44347, 45801, 49959, 56706, 66157, 85059, 88694, 91602, 99918, 132314, 133041, 137403, 149877, 170118, 198471, 255177, 266082, 274806, 299754, 310429, 396942, 399123, 510354, 576511, 595413, 620858, 798246, 931287, 1153022, 1190826, 1197369, 1729533, 1786239, 1862574, 2394738, 2793861, 3459066, 3572478, 4035577, 5188599, 5587722, 8071154, 8381583, 10377198, 12106731, 15565797, 16763166, 24213462, 31131594, 36320193, 72640386, 108960579, 217921158]

約数ペア:

[(1, 217921158), (2, 108960579), (3, 72640386), (6, 36320193), (7, 31131594), (9, 24213462), (13, 16763166), (14, 15565797), (18, 12106731), (21, 10377198), (26, 8381583), (27, 8071154), (39, 5587722), (42, 5188599), (54, 4035577), (61, 3572478), (63, 3459066), (78, 2793861), (91, 2394738), (117, 1862574), (122, 1786239), (126, 1729533), (182, 1197369), (183, 1190826), (189, 1153022), (234, 931287), (273, 798246), (351, 620858), (366, 595413), (378, 576511), (427, 510354), (546, 399123), (549, 396942), (702, 310429), (727, 299754), (793, 274806), (819, 266082), (854, 255177), (1098, 198471), (1281, 170118), (1454, 149877), (1586, 137403), (1638, 133041), (1647, 132314), (2181, 99918), (2379, 91602), (2457, 88694), (2562, 85059), (3294, 66157), (3843, 56706), (4362, 49959), (4758, 45801), (4914, 44347), (5089, 42822), (5551, 39258), (6543, 33306), (7137, 30534), (7686, 28353), (9451, 23058), (10178, 21411), (11102, 19629), (11529, 18902), (13086, 16653), (14274, 15267)]