208047207

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4143

約数の個数: 32

約数和(自身を含む): 315083520

約数和(自身を除く): 107036313

約数列:

[1, 3, 17, 19, 51, 53, 57, 159, 323, 901, 969, 1007, 2703, 3021, 4051, 12153, 17119, 51357, 68867, 76969, 206601, 214703, 230907, 644109, 1308473, 3649951, 3925419, 4079357, 10949853, 12238071, 69349069, 208047207]

約数ペア:

[(1, 208047207), (3, 69349069), (17, 12238071), (19, 10949853), (51, 4079357), (53, 3925419), (57, 3649951), (159, 1308473), (323, 644109), (901, 230907), (969, 214703), (1007, 206601), (2703, 76969), (3021, 68867), (4051, 51357), (12153, 17119)]