261345447

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2301

約数の個数: 40

約数和(自身を含む): 429205392

約数和(自身を除く): 167859945

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 137, 297, 411, 891, 1233, 1507, 2141, 3699, 4521, 6423, 11097, 13563, 19269, 23551, 40689, 57807, 70653, 122067, 173421, 211959, 293317, 635877, 879951, 1907631, 2639853, 3226487, 7919559, 9679461, 23758677, 29038383, 87115149, 261345447]

約数ペア:

[(1, 261345447), (3, 87115149), (9, 29038383), (11, 23758677), (27, 9679461), (33, 7919559), (81, 3226487), (99, 2639853), (137, 1907631), (297, 879951), (411, 635877), (891, 293317), (1233, 211959), (1507, 173421), (2141, 122067), (3699, 70653), (4521, 57807), (6423, 40689), (11097, 23551), (13563, 19269)]