178597791

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 279062784

約数和(自身を除く): 100464993

約数列:

[1, 3, 9, 27, 43, 47, 81, 129, 141, 387, 423, 1091, 1161, 1269, 2021, 3273, 3483, 3807, 6063, 9819, 18189, 29457, 46913, 51277, 54567, 88371, 140739, 153831, 163701, 422217, 461493, 1266651, 1384479, 2204911, 3799953, 4153437, 6614733, 19844199, 59532597, 178597791]

約数ペア:

[(1, 178597791), (3, 59532597), (9, 19844199), (27, 6614733), (43, 4153437), (47, 3799953), (81, 2204911), (129, 1384479), (141, 1266651), (387, 461493), (423, 422217), (1091, 163701), (1161, 153831), (1269, 140739), (2021, 88371), (3273, 54567), (3483, 51277), (3807, 46913), (6063, 29457), (9819, 18189)]