40768749

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{991}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 67471872

約数和(自身を除く): 26703123

約数列:

[1, 3, 7, 9, 21, 63, 653, 991, 1959, 2973, 4571, 5877, 6937, 8919, 13713, 20811, 41139, 62433, 647123, 1941369, 4529861, 5824107, 13589583, 40768749]

約数ペア:

[(1, 40768749), (3, 13589583), (7, 5824107), (9, 4529861), (21, 1941369), (63, 647123), (653, 62433), (991, 41139), (1959, 20811), (2973, 13713), (4571, 8919), (5877, 6937)]