69720519

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 117227520

約数和(自身を除く): 47507001

約数列:

[1, 3, 11, 17, 19, 31, 33, 51, 57, 93, 187, 209, 211, 323, 341, 527, 561, 589, 627, 633, 969, 1023, 1581, 1767, 2321, 3553, 3587, 4009, 5797, 6479, 6541, 6963, 10013, 10659, 10761, 12027, 17391, 19437, 19623, 30039, 39457, 44099, 68153, 71951, 110143, 111197, 118371, 124279, 132297, 204459, 215853, 330429, 333591, 372837, 749683, 1223167, 1367069, 2112743, 2249049, 3669501, 4101207, 6338229, 23240173, 69720519]

約数ペア:

[(1, 69720519), (3, 23240173), (11, 6338229), (17, 4101207), (19, 3669501), (31, 2249049), (33, 2112743), (51, 1367069), (57, 1223167), (93, 749683), (187, 372837), (209, 333591), (211, 330429), (323, 215853), (341, 204459), (527, 132297), (561, 124279), (589, 118371), (627, 111197), (633, 110143), (969, 71951), (1023, 68153), (1581, 44099), (1767, 39457), (2321, 30039), (3553, 19623), (3587, 19437), (4009, 17391), (5797, 12027), (6479, 10761), (6541, 10659), (6963, 10013)]