216221373

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{258329}}^1$

素因数の和:258369

約数の個数: 16

約数和(自身を含む): 330662400

約数和(自身を除く): 114441027

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 258329, 774987, 2324961, 6974883, 8008199, 24024597, 72073791, 216221373]

約数ペア:

[(1, 216221373), (3, 72073791), (9, 24024597), (27, 8008199), (31, 6974883), (93, 2324961), (279, 774987), (837, 258329)]