216907743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 353687040

約数和(自身を除く): 136779297

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 67, 201, 221, 247, 257, 323, 663, 741, 771, 871, 969, 1139, 1273, 2613, 3341, 3417, 3819, 4199, 4369, 4883, 10023, 12597, 13107, 14649, 14807, 16549, 17219, 21641, 44421, 49647, 51657, 56797, 63479, 64923, 83011, 170391, 190437, 223847, 249033, 281333, 292723, 327161, 671541, 843999, 878169, 981483, 1079143, 3237429, 3805399, 4253093, 5561737, 11416197, 12759279, 16685211, 72302581, 216907743]

約数ペア:

[(1, 216907743), (3, 72302581), (13, 16685211), (17, 12759279), (19, 11416197), (39, 5561737), (51, 4253093), (57, 3805399), (67, 3237429), (201, 1079143), (221, 981483), (247, 878169), (257, 843999), (323, 671541), (663, 327161), (741, 292723), (771, 281333), (871, 249033), (969, 223847), (1139, 190437), (1273, 170391), (2613, 83011), (3341, 64923), (3417, 63479), (3819, 56797), (4199, 51657), (4369, 49647), (4883, 44421), (10023, 21641), (12597, 17219), (13107, 16549), (14649, 14807)]