1651461

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4168

約数の個数: 16

約数和(自身を含む): 2649600

約数和(自身を除く): 998139

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4139, 12417, 28973, 78641, 86919, 235923, 550487, 1651461]

約数ペア:

[(1, 1651461), (3, 550487), (7, 235923), (19, 86919), (21, 78641), (57, 28973), (133, 12417), (399, 4139)]