64636551

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2437}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 106998944

約数和(自身を除く): 42362393

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 2437, 2947, 3789, 7311, 8841, 17059, 21933, 26523, 51177, 153531, 1025977, 3077931, 7181839, 9233793, 21545517, 64636551]

約数ペア:

[(1, 64636551), (3, 21545517), (7, 9233793), (9, 7181839), (21, 3077931), (63, 1025977), (421, 153531), (1263, 51177), (2437, 26523), (2947, 21933), (3789, 17059), (7311, 8841)]