217228921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{3547}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 267831424

約数和(自身を除く): 50602503

約数列:

[1, 7, 13, 91, 673, 3547, 4711, 8749, 24829, 46111, 61243, 322777, 2387131, 16709917, 31032703, 217228921]

約数ペア:

[(1, 217228921), (7, 31032703), (13, 16709917), (91, 2387131), (673, 322777), (3547, 61243), (4711, 46111), (8749, 24829)]