8119251

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 15636240

約数和(自身を除く): 7516989

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 49, 51, 57, 63, 119, 133, 147, 153, 171, 189, 323, 357, 361, 399, 441, 459, 513, 833, 931, 969, 1071, 1083, 1197, 1323, 2261, 2499, 2527, 2793, 2907, 3213, 3249, 3591, 6137, 6783, 7497, 7581, 8379, 8721, 9747, 15827, 17689, 18411, 20349, 22491, 22743, 25137, 42959, 47481, 53067, 55233, 61047, 68229, 128877, 142443, 159201, 165699, 300713, 386631, 427329, 477603, 902139, 1159893, 2706417, 8119251]

約数ペア:

[(1, 8119251), (3, 2706417), (7, 1159893), (9, 902139), (17, 477603), (19, 427329), (21, 386631), (27, 300713), (49, 165699), (51, 159201), (57, 142443), (63, 128877), (119, 68229), (133, 61047), (147, 55233), (153, 53067), (171, 47481), (189, 42959), (323, 25137), (357, 22743), (361, 22491), (399, 20349), (441, 18411), (459, 17689), (513, 15827), (833, 9747), (931, 8721), (969, 8379), (1071, 7581), (1083, 7497), (1197, 6783), (1323, 6137), (2261, 3591), (2499, 3249), (2527, 3213), (2793, 2907)]