64893759

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{162641}}^1$

素因数の和:162670

約数の個数: 16

約数和(自身を含む): 104090880

約数和(自身を除く): 39197121

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 162641, 487923, 1138487, 3090179, 3415461, 9270537, 21631253, 64893759]

約数ペア:

[(1, 64893759), (3, 21631253), (7, 9270537), (19, 3415461), (21, 3090179), (57, 1138487), (133, 487923), (399, 162641)]