97880391

素因数分解:

$3^2\times 7^2\times {\mathrm{221951}}^1$

素因数の和:221971

約数の個数: 18

約数和(自身を含む): 164466432

約数和(自身を除く): 66586041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 221951, 665853, 1553657, 1997559, 4660971, 10875599, 13982913, 32626797, 97880391]

約数ペア:

[(1, 97880391), (3, 32626797), (7, 13982913), (9, 10875599), (21, 4660971), (49, 1997559), (63, 1553657), (147, 665853), (441, 221951)]