220996923

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 387809280

約数和(自身を除く): 166812357

約数列:

[1, 3, 7, 17, 19, 21, 31, 51, 57, 93, 119, 133, 217, 323, 357, 399, 527, 589, 651, 969, 1051, 1581, 1767, 2261, 3153, 3689, 4123, 6783, 7357, 10013, 11067, 12369, 17867, 19969, 22071, 30039, 32581, 53601, 59907, 70091, 97743, 125069, 139783, 210273, 228067, 339473, 375207, 419349, 553877, 619039, 684201, 1018419, 1661631, 1857117, 2376311, 3877139, 4333273, 7128933, 10523663, 11631417, 12999819, 31570989, 73665641, 220996923]

約数ペア:

[(1, 220996923), (3, 73665641), (7, 31570989), (17, 12999819), (19, 11631417), (21, 10523663), (31, 7128933), (51, 4333273), (57, 3877139), (93, 2376311), (119, 1857117), (133, 1661631), (217, 1018419), (323, 684201), (357, 619039), (399, 553877), (527, 419349), (589, 375207), (651, 339473), (969, 228067), (1051, 210273), (1581, 139783), (1767, 125069), (2261, 97743), (3153, 70091), (3689, 59907), (4123, 53601), (6783, 32581), (7357, 30039), (10013, 22071), (11067, 19969), (12369, 17867)]