78147045

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2003}}^1$

素因数の和:2051

約数の個数: 48

約数和(自身を含む): 147654720

約数和(自身を除く): 69507675

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 765, 867, 1445, 2003, 2295, 2601, 4335, 6009, 7803, 10015, 13005, 18027, 30045, 34051, 39015, 54081, 90135, 102153, 170255, 270405, 306459, 510765, 578867, 919377, 1532295, 1736601, 2894335, 4596885, 5209803, 8683005, 15629409, 26049015, 78147045]

約数ペア:

[(1, 78147045), (3, 26049015), (5, 15629409), (9, 8683005), (15, 5209803), (17, 4596885), (27, 2894335), (45, 1736601), (51, 1532295), (85, 919377), (135, 578867), (153, 510765), (255, 306459), (289, 270405), (459, 170255), (765, 102153), (867, 90135), (1445, 54081), (2003, 39015), (2295, 34051), (2601, 30045), (4335, 18027), (6009, 13005), (7803, 10015)]