663255

素因数分解:

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

素因数の和:65

約数の個数: 32

約数和(自身を含む): 1252800

約数和(自身を除く): 589545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 765, 867, 1445, 2295, 2601, 4335, 4913, 7803, 13005, 14739, 24565, 39015, 44217, 73695, 132651, 221085, 663255]

約数ペア:

[(1, 663255), (3, 221085), (5, 132651), (9, 73695), (15, 44217), (17, 39015), (27, 24565), (45, 14739), (51, 13005), (85, 7803), (135, 4913), (153, 4335), (255, 2601), (289, 2295), (459, 1445), (765, 867)]