219915519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7321}}^1$

素因数の和:7391

約数の個数: 32

約数和(自身を含む): 337397760

約数和(自身を除く): 117482241

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 969, 1581, 1767, 7321, 10013, 21963, 30039, 124457, 139099, 226951, 373371, 417297, 680853, 2364683, 3858167, 4312069, 7094049, 11574501, 12936207, 73305173, 219915519]

約数ペア:

[(1, 219915519), (3, 73305173), (17, 12936207), (19, 11574501), (31, 7094049), (51, 4312069), (57, 3858167), (93, 2364683), (323, 680853), (527, 417297), (589, 373371), (969, 226951), (1581, 139099), (1767, 124457), (7321, 30039), (10013, 21963)]