207979317

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 394308096

約数和(自身を除く): 186328779

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 61, 63, 69, 91, 117, 161, 181, 183, 207, 273, 299, 427, 483, 543, 549, 793, 819, 897, 1267, 1281, 1403, 1449, 1629, 2093, 2353, 2379, 2691, 3801, 3843, 4163, 4209, 5551, 6279, 7059, 7137, 9821, 11041, 11403, 12489, 12627, 16471, 16653, 18239, 18837, 21177, 29141, 29463, 33123, 37467, 49413, 49959, 54119, 54717, 77287, 87423, 88389, 99369, 127673, 143533, 148239, 162357, 164151, 231861, 253943, 262269, 378833, 383019, 430599, 487071, 695583, 761829, 1004731, 1136499, 1149057, 1291797, 1777601, 2285487, 3014193, 3301259, 3409497, 5332803, 9042579, 9903777, 15998409, 23108813, 29711331, 69326439, 207979317]

約数ペア:

[(1, 207979317), (3, 69326439), (7, 29711331), (9, 23108813), (13, 15998409), (21, 9903777), (23, 9042579), (39, 5332803), (61, 3409497), (63, 3301259), (69, 3014193), (91, 2285487), (117, 1777601), (161, 1291797), (181, 1149057), (183, 1136499), (207, 1004731), (273, 761829), (299, 695583), (427, 487071), (483, 430599), (543, 383019), (549, 378833), (793, 262269), (819, 253943), (897, 231861), (1267, 164151), (1281, 162357), (1403, 148239), (1449, 143533), (1629, 127673), (2093, 99369), (2353, 88389), (2379, 87423), (2691, 77287), (3801, 54717), (3843, 54119), (4163, 49959), (4209, 49413), (5551, 37467), (6279, 33123), (7059, 29463), (7137, 29141), (9821, 21177), (11041, 18837), (11403, 18239), (12489, 16653), (12627, 16471)]