129608721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1553}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 210349440

約数和(自身を除く): 80740719

約数列:

[1, 3, 9, 11, 27, 33, 99, 281, 297, 843, 1553, 2529, 3091, 4659, 7587, 9273, 13977, 17083, 27819, 41931, 51249, 83457, 153747, 436393, 461241, 1309179, 3927537, 4800323, 11782611, 14400969, 43202907, 129608721]

約数ペア:

[(1, 129608721), (3, 43202907), (9, 14400969), (11, 11782611), (27, 4800323), (33, 3927537), (99, 1309179), (281, 461241), (297, 436393), (843, 153747), (1553, 83457), (2529, 51249), (3091, 41931), (4659, 27819), (7587, 17083), (9273, 13977)]