215344917

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{17737}}^1$

素因数の和:17833

約数の個数: 24

約数和(自身を含む): 332055360

約数和(自身を除く): 116710443

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 17737, 53211, 159633, 337003, 1011009, 1259327, 3033027, 3777981, 11333943, 23927213, 71781639, 215344917]

約数ペア:

[(1, 215344917), (3, 71781639), (9, 23927213), (19, 11333943), (57, 3777981), (71, 3033027), (171, 1259327), (213, 1011009), (639, 337003), (1349, 159633), (4047, 53211), (12141, 17737)]