2491797

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 4465152

約数和(自身を除く): 1973355

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 67, 69, 77, 147, 161, 201, 231, 253, 469, 483, 539, 737, 759, 1127, 1407, 1541, 1617, 1771, 2211, 3283, 3381, 4623, 5159, 5313, 9849, 10787, 12397, 15477, 16951, 32361, 36113, 37191, 50853, 75509, 108339, 118657, 226527, 355971, 830599, 2491797]

約数ペア:

[(1, 2491797), (3, 830599), (7, 355971), (11, 226527), (21, 118657), (23, 108339), (33, 75509), (49, 50853), (67, 37191), (69, 36113), (77, 32361), (147, 16951), (161, 15477), (201, 12397), (231, 10787), (253, 9849), (469, 5313), (483, 5159), (539, 4623), (737, 3381), (759, 3283), (1127, 2211), (1407, 1771), (1541, 1617)]