64625631

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{161969}}^1$

素因数の和:161998

約数の個数: 16

約数和(自身を含む): 103660800

約数和(自身を除く): 39035169

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 161969, 485907, 1133783, 3077411, 3401349, 9232233, 21541877, 64625631]

約数ペア:

[(1, 64625631), (3, 21541877), (7, 9232233), (19, 3401349), (21, 3077411), (57, 1133783), (133, 485907), (399, 161969)]