201621609

素因数分解:

$3^3\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1171}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 342036480

約数和(自身を除く): 140414871

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 911, 1171, 2733, 3513, 6377, 8197, 8199, 10539, 19131, 24591, 24597, 31617, 57393, 73773, 172179, 221319, 1066781, 3200343, 7467467, 9601029, 22402401, 28803087, 67207203, 201621609]

約数ペア:

[(1, 201621609), (3, 67207203), (7, 28803087), (9, 22402401), (21, 9601029), (27, 7467467), (63, 3200343), (189, 1066781), (911, 221319), (1171, 172179), (2733, 73773), (3513, 57393), (6377, 31617), (8197, 24597), (8199, 24591), (10539, 19131)]