27782755

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 46563984

約数和(自身を除く): 18781229

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 61, 65, 77, 91, 143, 169, 245, 305, 385, 427, 455, 539, 637, 671, 715, 793, 845, 1001, 1183, 1859, 2135, 2695, 2989, 3185, 3355, 3965, 4697, 5005, 5551, 5915, 7007, 8281, 8723, 9295, 10309, 13013, 14945, 23485, 27755, 32879, 35035, 38857, 41405, 43615, 51545, 61061, 65065, 72163, 91091, 113399, 164395, 194285, 305305, 360815, 427427, 455455, 505141, 566995, 793793, 2137135, 2525705, 3968965, 5556551, 27782755]

約数ペア:

[(1, 27782755), (5, 5556551), (7, 3968965), (11, 2525705), (13, 2137135), (35, 793793), (49, 566995), (55, 505141), (61, 455455), (65, 427427), (77, 360815), (91, 305305), (143, 194285), (169, 164395), (245, 113399), (305, 91091), (385, 72163), (427, 65065), (455, 61061), (539, 51545), (637, 43615), (671, 41405), (715, 38857), (793, 35035), (845, 32879), (1001, 27755), (1183, 23485), (1859, 14945), (2135, 13013), (2695, 10309), (2989, 9295), (3185, 8723), (3355, 8281), (3965, 7007), (4697, 5915), (5005, 5551)]