23937921

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 44388864

約数和(自身を除く): 20450943

約数列:

[1, 3, 7, 9, 17, 21, 31, 49, 51, 63, 93, 103, 119, 147, 153, 217, 279, 309, 357, 441, 527, 651, 721, 833, 927, 1071, 1519, 1581, 1751, 1953, 2163, 2499, 3193, 3689, 4557, 4743, 5047, 5253, 6489, 7497, 9579, 11067, 12257, 13671, 15141, 15759, 22351, 25823, 28737, 33201, 36771, 45423, 54281, 67053, 77469, 85799, 110313, 156457, 162843, 201159, 232407, 257397, 379967, 469371, 488529, 772191, 1139901, 1408113, 2659769, 3419703, 7979307, 23937921]

約数ペア:

[(1, 23937921), (3, 7979307), (7, 3419703), (9, 2659769), (17, 1408113), (21, 1139901), (31, 772191), (49, 488529), (51, 469371), (63, 379967), (93, 257397), (103, 232407), (119, 201159), (147, 162843), (153, 156457), (217, 110313), (279, 85799), (309, 77469), (357, 67053), (441, 54281), (527, 45423), (651, 36771), (721, 33201), (833, 28737), (927, 25823), (1071, 22351), (1519, 15759), (1581, 15141), (1751, 13671), (1953, 12257), (2163, 11067), (2499, 9579), (3193, 7497), (3689, 6489), (4557, 5253), (4743, 5047)]