25717923

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 25499997

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 37, 51, 59, 63, 77, 99, 111, 119, 153, 177, 187, 231, 259, 333, 357, 407, 413, 531, 561, 629, 649, 693, 777, 1003, 1071, 1221, 1239, 1309, 1683, 1887, 1947, 2183, 2331, 2849, 3009, 3663, 3717, 3927, 4403, 4543, 5661, 5841, 6549, 6919, 7021, 8547, 9027, 11033, 11781, 13209, 13629, 15281, 19647, 20757, 21063, 24013, 25641, 33099, 37111, 39627, 40887, 45843, 48433, 62271, 63189, 72039, 77231, 99297, 111333, 137529, 145299, 168091, 216117, 231693, 259777, 333999, 408221, 435897, 504273, 695079, 779331, 1224663, 1512819, 2337993, 2857547, 3673989, 8572641, 25717923]

約数ペア:

[(1, 25717923), (3, 8572641), (7, 3673989), (9, 2857547), (11, 2337993), (17, 1512819), (21, 1224663), (33, 779331), (37, 695079), (51, 504273), (59, 435897), (63, 408221), (77, 333999), (99, 259777), (111, 231693), (119, 216117), (153, 168091), (177, 145299), (187, 137529), (231, 111333), (259, 99297), (333, 77231), (357, 72039), (407, 63189), (413, 62271), (531, 48433), (561, 45843), (629, 40887), (649, 39627), (693, 37111), (777, 33099), (1003, 25641), (1071, 24013), (1221, 21063), (1239, 20757), (1309, 19647), (1683, 15281), (1887, 13629), (1947, 13209), (2183, 11781), (2331, 11033), (2849, 9027), (3009, 8547), (3663, 7021), (3717, 6919), (3927, 6549), (4403, 5841), (4543, 5661)]