216148863

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{1087}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 349691904

約数和(自身を除く): 133543041

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 557, 1087, 1671, 3261, 3899, 7609, 9469, 11697, 18479, 22827, 28407, 55437, 66283, 129353, 198849, 388059, 605459, 1816377, 4238213, 10292803, 12714639, 30878409, 72049621, 216148863]

約数ペア:

[(1, 216148863), (3, 72049621), (7, 30878409), (17, 12714639), (21, 10292803), (51, 4238213), (119, 1816377), (357, 605459), (557, 388059), (1087, 198849), (1671, 129353), (3261, 66283), (3899, 55437), (7609, 28407), (9469, 22827), (11697, 18479)]