72987885

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10601}}^1$

素因数の和:10635

約数の個数: 40

約数和(自身を含む): 138546936

約数和(自身を除く): 65559051

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 10601, 31803, 53005, 95409, 159015, 180217, 286227, 477045, 540651, 858681, 901085, 1431135, 1621953, 2703255, 4293405, 4865859, 8109765, 14597577, 24329295, 72987885]

約数ペア:

[(1, 72987885), (3, 24329295), (5, 14597577), (9, 8109765), (15, 4865859), (17, 4293405), (27, 2703255), (45, 1621953), (51, 1431135), (81, 901085), (85, 858681), (135, 540651), (153, 477045), (255, 286227), (405, 180217), (459, 159015), (765, 95409), (1377, 53005), (2295, 31803), (6885, 10601)]