2663667

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 4169360

約数和(自身を除く): 1505693

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 421, 703, 1263, 2109, 3789, 6327, 7999, 15577, 23997, 46731, 71991, 140193, 295963, 887889, 2663667]

約数ペア:

[(1, 2663667), (3, 887889), (9, 295963), (19, 140193), (37, 71991), (57, 46731), (111, 23997), (171, 15577), (333, 7999), (421, 6327), (703, 3789), (1263, 2109)]