12747995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4561}}^1$

素因数の和:4622

約数の個数: 16

約数和(自身を含む): 16861152

約数和(自身を除く): 4113157

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 4561, 22805, 59293, 196123, 296465, 980615, 2549599, 12747995]

約数ペア:

[(1, 12747995), (5, 2549599), (13, 980615), (43, 296465), (65, 196123), (215, 59293), (559, 22805), (2795, 4561)]