28081053

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 55910400

約数和(自身を除く): 27829347

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 693, 819, 1001, 1039, 1287, 2079, 2457, 3003, 3117, 3861, 7273, 9009, 9351, 11429, 13507, 21819, 27027, 28053, 34287, 40521, 65457, 80003, 94549, 102861, 121563, 148577, 196371, 240009, 283647, 308583, 364689, 445731, 720027, 850941, 1040039, 1337193, 2160081, 2552823, 3120117, 4011579, 9360351, 28081053]

約数ペア:

[(1, 28081053), (3, 9360351), (7, 4011579), (9, 3120117), (11, 2552823), (13, 2160081), (21, 1337193), (27, 1040039), (33, 850941), (39, 720027), (63, 445731), (77, 364689), (91, 308583), (99, 283647), (117, 240009), (143, 196371), (189, 148577), (231, 121563), (273, 102861), (297, 94549), (351, 80003), (429, 65457), (693, 40521), (819, 34287), (1001, 28053), (1039, 27027), (1287, 21819), (2079, 13507), (2457, 11429), (3003, 9351), (3117, 9009), (3861, 7273)]