207780321

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13877}}^1$

素因数の和:13941

約数の個数: 32

約数和(自身を含む): 341065728

約数和(自身を除く): 133285407

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2139, 4991, 13877, 14973, 41631, 97139, 291417, 319171, 430187, 957513, 1290561, 2234197, 3011309, 6702591, 9033927, 9894301, 29682903, 69260107, 207780321]

約数ペア:

[(1, 207780321), (3, 69260107), (7, 29682903), (21, 9894301), (23, 9033927), (31, 6702591), (69, 3011309), (93, 2234197), (161, 1290561), (217, 957513), (483, 430187), (651, 319171), (713, 291417), (2139, 97139), (4991, 41631), (13877, 14973)]