66712401

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{55733}}^1$

素因数の和:55765

約数の個数: 24

約数和(自身を含む): 115926720

約数和(自身を除く): 49214319

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 55733, 167199, 390131, 501597, 1058927, 1170393, 3176781, 3511179, 7412489, 9530343, 22237467, 66712401]

約数ペア:

[(1, 66712401), (3, 22237467), (7, 9530343), (9, 7412489), (19, 3511179), (21, 3176781), (57, 1170393), (63, 1058927), (133, 501597), (171, 390131), (399, 167199), (1197, 55733)]