64778535

素因数分解:

$3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 116723376

約数和(自身を除く): 51944841

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 307, 405, 521, 921, 1535, 1563, 2605, 2763, 4605, 4689, 7815, 8289, 13815, 14067, 23445, 24867, 41445, 42201, 70335, 124335, 159947, 211005, 479841, 799735, 1439523, 2399205, 4318569, 7197615, 12955707, 21592845, 64778535]

約数ペア:

[(1, 64778535), (3, 21592845), (5, 12955707), (9, 7197615), (15, 4318569), (27, 2399205), (45, 1439523), (81, 799735), (135, 479841), (307, 211005), (405, 159947), (521, 124335), (921, 70335), (1535, 42201), (1563, 41445), (2605, 24867), (2763, 23445), (4605, 14067), (4689, 13815), (7815, 8289)]