66989715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4139}}^1$

素因数の和:4243

約数の個数: 32

約数和(自身を含む): 116847360

約数和(自身を除く): 49857645

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1245, 3237, 4139, 5395, 12417, 16185, 20695, 53807, 62085, 161421, 269035, 343537, 807105, 1030611, 1717685, 4465981, 5153055, 13397943, 22329905, 66989715]

約数ペア:

[(1, 66989715), (3, 22329905), (5, 13397943), (13, 5153055), (15, 4465981), (39, 1717685), (65, 1030611), (83, 807105), (195, 343537), (249, 269035), (415, 161421), (1079, 62085), (1245, 53807), (3237, 20695), (4139, 16185), (5395, 12417)]