66465021

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 110808000

約数和(自身を除く): 44342979

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 133, 147, 159, 371, 399, 449, 931, 1007, 1113, 1347, 2597, 2793, 3021, 3143, 7049, 7791, 8531, 9429, 21147, 22001, 23797, 25593, 49343, 59717, 66003, 71391, 148029, 166579, 179151, 418019, 452143, 499737, 1166053, 1254057, 1356429, 3165001, 3498159, 9495003, 22155007, 66465021]

約数ペア:

[(1, 66465021), (3, 22155007), (7, 9495003), (19, 3498159), (21, 3165001), (49, 1356429), (53, 1254057), (57, 1166053), (133, 499737), (147, 452143), (159, 418019), (371, 179151), (399, 166579), (449, 148029), (931, 71391), (1007, 66003), (1113, 59717), (1347, 49343), (2597, 25593), (2793, 23797), (3021, 22001), (3143, 21147), (7049, 9429), (7791, 8531)]