201326738403

素因数分解:

$3^1\times 7^4\times {\mathrm{27950401}}^1$

素因数の和:27950432

約数の個数: 20

約数和(自身を含む): 313156304008

約数和(自身を除く): 111829565605

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 27950401, 83851203, 195652807, 586958421, 1369569649, 4108708947, 9586987543, 28760962629, 67108912801, 201326738403]

約数ペア:

[(1, 201326738403), (3, 67108912801), (7, 28760962629), (21, 9586987543), (49, 4108708947), (147, 1369569649), (343, 586958421), (1029, 195652807), (2401, 83851203), (7203, 27950401)]