227689231

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 298877904

約数和(自身を除く): 71188673

約数列:

[1, 7, 11, 37, 49, 77, 233, 259, 343, 407, 539, 1631, 1813, 2401, 2563, 2849, 3773, 8621, 11417, 12691, 17941, 19943, 26411, 60347, 79919, 88837, 94831, 125587, 139601, 422429, 559433, 663817, 879109, 977207, 2957003, 4646719, 6153763, 20699021, 32527033, 227689231]

約数ペア:

[(1, 227689231), (7, 32527033), (11, 20699021), (37, 6153763), (49, 4646719), (77, 2957003), (233, 977207), (259, 879109), (343, 663817), (407, 559433), (539, 422429), (1631, 139601), (1813, 125587), (2401, 94831), (2563, 88837), (2849, 79919), (3773, 60347), (8621, 26411), (11417, 19943), (12691, 17941)]