65680839

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6997}}^1$

素因数の和:7159

約数の個数: 24

約数和(自身を含む): 109168800

約数和(自身を除く): 43487961

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 6997, 9387, 20991, 48979, 62973, 146937, 440811, 1042553, 3127659, 7297871, 9382977, 21893613, 65680839]

約数ペア:

[(1, 65680839), (3, 21893613), (7, 9382977), (9, 7297871), (21, 3127659), (63, 1042553), (149, 440811), (447, 146937), (1043, 62973), (1341, 48979), (3129, 20991), (6997, 9387)]