8404137

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 16005600

約数和(自身を除く): 7601463

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 59, 63, 119, 133, 147, 153, 171, 177, 323, 357, 399, 413, 441, 531, 833, 931, 969, 1003, 1071, 1121, 1197, 1239, 2261, 2499, 2793, 2891, 2907, 3009, 3363, 3717, 6783, 7021, 7497, 7847, 8379, 8673, 9027, 10089, 15827, 19057, 20349, 21063, 23541, 26019, 47481, 49147, 54929, 57171, 63189, 70623, 133399, 142443, 147441, 164787, 171513, 400197, 442323, 494361, 933793, 1200591, 2801379, 8404137]

約数ペア:

[(1, 8404137), (3, 2801379), (7, 1200591), (9, 933793), (17, 494361), (19, 442323), (21, 400197), (49, 171513), (51, 164787), (57, 147441), (59, 142443), (63, 133399), (119, 70623), (133, 63189), (147, 57171), (153, 54929), (171, 49147), (177, 47481), (323, 26019), (357, 23541), (399, 21063), (413, 20349), (441, 19057), (531, 15827), (833, 10089), (931, 9027), (969, 8673), (1003, 8379), (1071, 7847), (1121, 7497), (1197, 7021), (1239, 6783), (2261, 3717), (2499, 3363), (2793, 3009), (2891, 2907)]