81386235

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1305

約数の個数: 64

約数和(自身を含む): 167823360

約数和(自身を除く): 86437125

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 315, 355, 497, 639, 945, 1065, 1213, 1491, 1917, 2485, 3195, 3639, 4473, 6065, 7455, 8491, 9585, 10917, 13419, 18195, 22365, 25473, 32751, 42455, 54585, 67095, 76419, 86123, 127365, 163755, 229257, 258369, 382095, 430615, 602861, 775107, 1146285, 1291845, 1808583, 2325321, 3014305, 3875535, 5425749, 9042915, 11626605, 16277247, 27128745, 81386235]

約数ペア:

[(1, 81386235), (3, 27128745), (5, 16277247), (7, 11626605), (9, 9042915), (15, 5425749), (21, 3875535), (27, 3014305), (35, 2325321), (45, 1808583), (63, 1291845), (71, 1146285), (105, 775107), (135, 602861), (189, 430615), (213, 382095), (315, 258369), (355, 229257), (497, 163755), (639, 127365), (945, 86123), (1065, 76419), (1213, 67095), (1491, 54585), (1917, 42455), (2485, 32751), (3195, 25473), (3639, 22365), (4473, 18195), (6065, 13419), (7455, 10917), (8491, 9585)]