80929989

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 143585280

約数和(自身を除く): 62655291

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 111, 163, 189, 213, 259, 333, 489, 497, 639, 777, 999, 1141, 1467, 1491, 1917, 2331, 2627, 3423, 4401, 4473, 6031, 6993, 7881, 10269, 11573, 13419, 18093, 18389, 23643, 30807, 34719, 42217, 54279, 55167, 70929, 81011, 104157, 126651, 162837, 165501, 243033, 312471, 379953, 428201, 496503, 729099, 1139859, 1284603, 2187297, 2997407, 3853809, 8992221, 11561427, 26976663, 80929989]

約数ペア:

[(1, 80929989), (3, 26976663), (7, 11561427), (9, 8992221), (21, 3853809), (27, 2997407), (37, 2187297), (63, 1284603), (71, 1139859), (111, 729099), (163, 496503), (189, 428201), (213, 379953), (259, 312471), (333, 243033), (489, 165501), (497, 162837), (639, 126651), (777, 104157), (999, 81011), (1141, 70929), (1467, 55167), (1491, 54279), (1917, 42217), (2331, 34719), (2627, 30807), (3423, 23643), (4401, 18389), (4473, 18093), (6031, 13419), (6993, 11573), (7881, 10269)]