81778851

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 148262400

約数和(自身を除く): 66483549

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 199, 231, 593, 597, 693, 1393, 1779, 1791, 2189, 4151, 4179, 5337, 6523, 6567, 12453, 12537, 15323, 19569, 19701, 37359, 45661, 45969, 58707, 118007, 136983, 137907, 354021, 410949, 826049, 1062063, 1298077, 2478147, 3894231, 7434441, 9086539, 11682693, 27259617, 81778851]

約数ペア:

[(1, 81778851), (3, 27259617), (7, 11682693), (9, 9086539), (11, 7434441), (21, 3894231), (33, 2478147), (63, 1298077), (77, 1062063), (99, 826049), (199, 410949), (231, 354021), (593, 137907), (597, 136983), (693, 118007), (1393, 58707), (1779, 45969), (1791, 45661), (2189, 37359), (4151, 19701), (4179, 19569), (5337, 15323), (6523, 12537), (6567, 12453)]