71617203

素因数分解:

$3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 52923213

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 243, 497, 567, 593, 639, 1491, 1701, 1779, 1917, 4151, 4473, 5337, 5751, 12453, 13419, 16011, 17253, 37359, 40257, 42103, 48033, 112077, 120771, 126309, 144099, 294721, 336231, 378927, 884163, 1008693, 1136781, 2652489, 3410343, 7957467, 10231029, 23872401, 71617203]

約数ペア:

[(1, 71617203), (3, 23872401), (7, 10231029), (9, 7957467), (21, 3410343), (27, 2652489), (63, 1136781), (71, 1008693), (81, 884163), (189, 378927), (213, 336231), (243, 294721), (497, 144099), (567, 126309), (593, 120771), (639, 112077), (1491, 48033), (1701, 42103), (1779, 40257), (1917, 37359), (4151, 17253), (4473, 16011), (5337, 13419), (5751, 12453)]