178740081

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13763}}^1$

素因数の和:13822

約数の個数: 32

約数和(自身を含む): 292897920

約数和(自身を除く): 114157839

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 12987, 13763, 41289, 123867, 178919, 371601, 509231, 536757, 1527693, 1610271, 4583079, 4830813, 6620003, 13749237, 19860009, 59580027, 178740081]

約数ペア:

[(1, 178740081), (3, 59580027), (9, 19860009), (13, 13749237), (27, 6620003), (37, 4830813), (39, 4583079), (111, 1610271), (117, 1527693), (333, 536757), (351, 509231), (481, 371601), (999, 178919), (1443, 123867), (4329, 41289), (12987, 13763)]