81615303

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1061}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 154967040

約数和(自身を除く): 73351737

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 189, 231, 259, 297, 333, 407, 693, 777, 999, 1061, 1221, 2079, 2331, 2849, 3183, 3663, 6993, 7427, 8547, 9549, 10989, 11671, 22281, 25641, 28647, 35013, 39257, 66843, 76923, 81697, 105039, 117771, 200529, 245091, 274799, 315117, 353313, 431827, 735273, 824397, 1059939, 1295481, 2205819, 2473191, 3022789, 3886443, 7419573, 9068367, 11659329, 27205101, 81615303]

約数ペア:

[(1, 81615303), (3, 27205101), (7, 11659329), (9, 9068367), (11, 7419573), (21, 3886443), (27, 3022789), (33, 2473191), (37, 2205819), (63, 1295481), (77, 1059939), (99, 824397), (111, 735273), (189, 431827), (231, 353313), (259, 315117), (297, 274799), (333, 245091), (407, 200529), (693, 117771), (777, 105039), (999, 81697), (1061, 76923), (1221, 66843), (2079, 39257), (2331, 35013), (2849, 28647), (3183, 25641), (3663, 22281), (6993, 11671), (7427, 10989), (8547, 9549)]