18060921

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 27907200

約数和(自身を除く): 9846279

約数列:

[1, 3, 9, 27, 37, 101, 111, 179, 303, 333, 537, 909, 999, 1611, 2727, 3737, 4833, 6623, 11211, 18079, 19869, 33633, 54237, 59607, 100899, 162711, 178821, 488133, 668923, 2006769, 6020307, 18060921]

約数ペア:

[(1, 18060921), (3, 6020307), (9, 2006769), (27, 668923), (37, 488133), (101, 178821), (111, 162711), (179, 100899), (303, 59607), (333, 54237), (537, 33633), (909, 19869), (999, 18079), (1611, 11211), (2727, 6623), (3737, 4833)]