20121173289

素因数分解:

$3^2\times 7^1\times {\mathrm{4889}}^1\times {\mathrm{65327}}^1$

素因数の和:70229

約数の個数: 24

約数和(自身を含む): 33223207680

約数和(自身を除く): 13102034391

約数列:

[1, 3, 7, 9, 21, 63, 4889, 14667, 34223, 44001, 65327, 102669, 195981, 308007, 457289, 587943, 1371867, 4115601, 319383703, 958151109, 2235685921, 2874453327, 6707057763, 20121173289]

約数ペア:

[(1, 20121173289), (3, 6707057763), (7, 2874453327), (9, 2235685921), (21, 958151109), (63, 319383703), (4889, 4115601), (14667, 1371867), (34223, 587943), (44001, 457289), (65327, 308007), (102669, 195981)]