978182919

素因数分解:

$3^3\times 7^1\times {\mathrm{5175571}}^1$

素因数の和:5175587

約数の個数: 16

約数和(自身を含む): 1656183040

約数和(自身を除く): 678000121

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 5175571, 15526713, 36228997, 46580139, 108686991, 139740417, 326060973, 978182919]

約数ペア:

[(1, 978182919), (3, 326060973), (7, 139740417), (9, 108686991), (21, 46580139), (27, 36228997), (63, 15526713), (189, 5175571)]