66889743

素因数分解:

$3^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 90179712

約数和(自身を除く): 23289969

約数列:

[1, 3, 211, 251, 421, 633, 753, 1263, 52961, 88831, 105671, 158883, 266493, 317013, 22296581, 66889743]

約数ペア:

[(1, 66889743), (3, 22296581), (211, 317013), (251, 266493), (421, 158883), (633, 105671), (753, 88831), (1263, 52961)]