64687497

素因数分解:

$3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 100662912

約数和(自身を除く): 35975415

約数列:

[1, 3, 7, 21, 49, 147, 431, 1021, 1293, 3017, 3063, 7147, 9051, 21119, 21441, 50029, 63357, 150087, 440051, 1320153, 3080357, 9241071, 21562499, 64687497]

約数ペア:

[(1, 64687497), (3, 21562499), (7, 9241071), (21, 3080357), (49, 1320153), (147, 440051), (431, 150087), (1021, 63357), (1293, 50029), (3017, 21441), (3063, 21119), (7147, 9051)]