201563901

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 379795104

約数和(自身を除く): 178231203

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 49, 63, 77, 99, 111, 147, 231, 259, 333, 407, 441, 539, 693, 777, 1123, 1221, 1617, 1813, 2331, 2849, 3369, 3663, 4851, 5439, 7861, 8547, 10107, 12353, 16317, 19943, 23583, 25641, 37059, 41551, 55027, 59829, 70749, 86471, 111177, 124653, 165081, 179487, 259413, 290857, 373959, 457061, 495243, 605297, 778239, 872571, 1371183, 1815891, 2035999, 2617713, 3199427, 4113549, 5447673, 6107997, 9598281, 18323991, 22395989, 28794843, 67187967, 201563901]

約数ペア:

[(1, 201563901), (3, 67187967), (7, 28794843), (9, 22395989), (11, 18323991), (21, 9598281), (33, 6107997), (37, 5447673), (49, 4113549), (63, 3199427), (77, 2617713), (99, 2035999), (111, 1815891), (147, 1371183), (231, 872571), (259, 778239), (333, 605297), (407, 495243), (441, 457061), (539, 373959), (693, 290857), (777, 259413), (1123, 179487), (1221, 165081), (1617, 124653), (1813, 111177), (2331, 86471), (2849, 70749), (3369, 59829), (3663, 55027), (4851, 41551), (5439, 37059), (7861, 25641), (8547, 23583), (10107, 19943), (12353, 16317)]