808218243

素因数分解:

$3^6\times 7^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:907

約数の個数: 56

約数和(自身を含む): 1392604416

約数和(自身を除く): 584386173

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 251, 567, 631, 729, 753, 1701, 1757, 1893, 2259, 4417, 5103, 5271, 5679, 6777, 13251, 15813, 17037, 20331, 39753, 47439, 51111, 60993, 119259, 142317, 153333, 158381, 182979, 357777, 426951, 459999, 475143, 1073331, 1108667, 1280853, 1425429, 3219993, 3326001, 4276287, 9978003, 12828861, 29934009, 38486583, 89802027, 115459749, 269406081, 808218243]

約数ペア:

[(1, 808218243), (3, 269406081), (7, 115459749), (9, 89802027), (21, 38486583), (27, 29934009), (63, 12828861), (81, 9978003), (189, 4276287), (243, 3326001), (251, 3219993), (567, 1425429), (631, 1280853), (729, 1108667), (753, 1073331), (1701, 475143), (1757, 459999), (1893, 426951), (2259, 357777), (4417, 182979), (5103, 158381), (5271, 153333), (5679, 142317), (6777, 119259), (13251, 60993), (15813, 51111), (17037, 47439), (20331, 39753)]