61315515

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26717}}^1$

素因数の和:26748

約数の個数: 32

約数和(自身を含む): 115421760

約数和(自身を除く): 54106245

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 26717, 80151, 133585, 240453, 400755, 454189, 721359, 1202265, 1362567, 2270945, 3606795, 4087701, 6812835, 12263103, 20438505, 61315515]

約数ペア:

[(1, 61315515), (3, 20438505), (5, 12263103), (9, 6812835), (15, 4087701), (17, 3606795), (27, 2270945), (45, 1362567), (51, 1202265), (85, 721359), (135, 454189), (153, 400755), (255, 240453), (459, 133585), (765, 80151), (2295, 26717)]