81229617

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{859}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 143104000

約数和(自身を除く): 61874383

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 79, 133, 171, 237, 399, 553, 711, 859, 1197, 1501, 1659, 2577, 4503, 4977, 6013, 7731, 10507, 13509, 16321, 18039, 31521, 48963, 54117, 67861, 94563, 114247, 146889, 203583, 342741, 475027, 610749, 1028223, 1289359, 1425081, 3868077, 4275243, 9025513, 11604231, 27076539, 81229617]

約数ペア:

[(1, 81229617), (3, 27076539), (7, 11604231), (9, 9025513), (19, 4275243), (21, 3868077), (57, 1425081), (63, 1289359), (79, 1028223), (133, 610749), (171, 475027), (237, 342741), (399, 203583), (553, 146889), (711, 114247), (859, 94563), (1197, 67861), (1501, 54117), (1659, 48963), (2577, 31521), (4503, 18039), (4977, 16321), (6013, 13509), (7731, 10507)]