20161272663

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{56431}}^1$

素因数の和:56604

約数の個数: 48

約数和(自身を含む): 34227588096

約数和(自身を除く): 14066315433

約数列:

[1, 3, 7, 9, 21, 53, 63, 107, 159, 321, 371, 477, 749, 963, 1113, 2247, 3339, 5671, 6741, 17013, 39697, 51039, 56431, 119091, 169293, 357273, 395017, 507879, 1185051, 2990843, 3555153, 6038117, 8972529, 18114351, 20935901, 26917587, 42266819, 54343053, 62807703, 126800457, 188423109, 320020201, 380401371, 960060603, 2240141407, 2880181809, 6720424221, 20161272663]

約数ペア:

[(1, 20161272663), (3, 6720424221), (7, 2880181809), (9, 2240141407), (21, 960060603), (53, 380401371), (63, 320020201), (107, 188423109), (159, 126800457), (321, 62807703), (371, 54343053), (477, 42266819), (749, 26917587), (963, 20935901), (1113, 18114351), (2247, 8972529), (3339, 6038117), (5671, 3555153), (6741, 2990843), (17013, 1185051), (39697, 507879), (51039, 395017), (56431, 357273), (119091, 169293)]