668253255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{154153}}^1$

素因数の和:154195

約数の個数: 24

約数和(自身を含む): 1135806672

約数和(自身を除く): 467553417

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 154153, 462459, 770765, 2312295, 2620601, 7861803, 13103005, 39309015, 44550217, 133650651, 222751085, 668253255]

約数ペア:

[(1, 668253255), (3, 222751085), (5, 133650651), (15, 44550217), (17, 39309015), (51, 13103005), (85, 7861803), (255, 2620601), (289, 2312295), (867, 770765), (1445, 462459), (4335, 154153)]