219941967

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{551233}}^1$

素因数の和:551262

約数の個数: 16

約数和(自身を含む): 352789760

約数和(自身を除く): 132847793

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 551233, 1653699, 3858631, 10473427, 11575893, 31420281, 73313989, 219941967]

約数ペア:

[(1, 219941967), (3, 73313989), (7, 31420281), (19, 11575893), (21, 10473427), (57, 3858631), (133, 1653699), (399, 551233)]