221361291

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{1321}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 328183856

約数和(自身を除く): 106822565

約数列:

[1, 3, 9, 43, 129, 387, 433, 1299, 1321, 3897, 3963, 11889, 18619, 55857, 56803, 167571, 170409, 511227, 571993, 1715979, 5147937, 24595699, 73787097, 221361291]

約数ペア:

[(1, 221361291), (3, 73787097), (9, 24595699), (43, 5147937), (129, 1715979), (387, 571993), (433, 511227), (1299, 170409), (1321, 167571), (3897, 56803), (3963, 55857), (11889, 18619)]