64780965

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 124237476

約数和(自身を除く): 59456511

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 97, 135, 153, 255, 291, 405, 459, 485, 765, 873, 1377, 1455, 1649, 2295, 2619, 4365, 4947, 6885, 7857, 8245, 9409, 13095, 14841, 24735, 28227, 39285, 44523, 47045, 74205, 84681, 133569, 141135, 159953, 222615, 254043, 423405, 479859, 667845, 762129, 799765, 1270215, 1439577, 2399295, 3810645, 4318731, 7197885, 12956193, 21593655, 64780965]

約数ペア:

[(1, 64780965), (3, 21593655), (5, 12956193), (9, 7197885), (15, 4318731), (17, 3810645), (27, 2399295), (45, 1439577), (51, 1270215), (81, 799765), (85, 762129), (97, 667845), (135, 479859), (153, 423405), (255, 254043), (291, 222615), (405, 159953), (459, 141135), (485, 133569), (765, 84681), (873, 74205), (1377, 47045), (1455, 44523), (1649, 39285), (2295, 28227), (2619, 24735), (4365, 14841), (4947, 13095), (6885, 9409), (7857, 8245)]