217771011

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 342093024

約数和(自身を除く): 124322013

約数列:

[1, 3, 9, 27, 37, 53, 81, 111, 159, 243, 333, 457, 477, 999, 1371, 1431, 1961, 2997, 4113, 4293, 5883, 8991, 12339, 12879, 16909, 17649, 24221, 37017, 50727, 52947, 72663, 111051, 152181, 158841, 217989, 456543, 476523, 653967, 896177, 1369629, 1961901, 2688531, 4108887, 5885703, 8065593, 24196779, 72590337, 217771011]

約数ペア:

[(1, 217771011), (3, 72590337), (9, 24196779), (27, 8065593), (37, 5885703), (53, 4108887), (81, 2688531), (111, 1961901), (159, 1369629), (243, 896177), (333, 653967), (457, 476523), (477, 456543), (999, 217989), (1371, 158841), (1431, 152181), (1961, 111051), (2997, 72663), (4113, 52947), (4293, 50727), (5883, 37017), (8991, 24221), (12339, 17649), (12879, 16909)]