66540447

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 102842376

約数和(自身を除く): 36301929

約数列:

[1, 3, 9, 27, 61, 67, 81, 183, 201, 243, 549, 603, 1647, 1809, 4087, 4489, 4941, 5427, 12261, 13467, 14823, 16281, 36783, 40401, 110349, 121203, 273829, 331047, 363609, 821487, 993141, 1090827, 2464461, 7393383, 22180149, 66540447]

約数ペア:

[(1, 66540447), (3, 22180149), (9, 7393383), (27, 2464461), (61, 1090827), (67, 993141), (81, 821487), (183, 363609), (201, 331047), (243, 273829), (549, 121203), (603, 110349), (1647, 40401), (1809, 36783), (4087, 16281), (4489, 14823), (4941, 13467), (5427, 12261)]