66656457

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19963}}^1$

素因数の和:20029

約数の個数: 24

約数和(自身を含む): 112117824

約数和(自身を除く): 45461367

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 19963, 59889, 139741, 179667, 419223, 1058039, 1257669, 3174117, 7406273, 9522351, 22218819, 66656457]

約数ペア:

[(1, 66656457), (3, 22218819), (7, 9522351), (9, 7406273), (21, 3174117), (53, 1257669), (63, 1058039), (159, 419223), (371, 179667), (477, 139741), (1113, 59889), (3339, 19963)]