217414659

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12893}}^1$

素因数の和:12987

約数の個数: 32

約数和(自身を含む): 366395904

約数和(自身を除く): 148981245

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1533, 2409, 5621, 12893, 16863, 38679, 90251, 141823, 270753, 425469, 941189, 992761, 2823567, 2978283, 6588323, 10353079, 19764969, 31059237, 72471553, 217414659]

約数ペア:

[(1, 217414659), (3, 72471553), (7, 31059237), (11, 19764969), (21, 10353079), (33, 6588323), (73, 2978283), (77, 2823567), (219, 992761), (231, 941189), (511, 425469), (803, 270753), (1533, 141823), (2409, 90251), (5621, 38679), (12893, 16863)]