28016595

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 52464672

約数和(自身を除く): 24448077

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 691, 765, 795, 901, 2073, 2385, 2703, 3455, 4505, 6219, 8109, 10365, 11747, 13515, 31095, 35241, 36623, 40545, 58735, 105723, 109869, 176205, 183115, 329607, 528615, 549345, 622591, 1648035, 1867773, 3112955, 5603319, 9338865, 28016595]

約数ペア:

[(1, 28016595), (3, 9338865), (5, 5603319), (9, 3112955), (15, 1867773), (17, 1648035), (45, 622591), (51, 549345), (53, 528615), (85, 329607), (153, 183115), (159, 176205), (255, 109869), (265, 105723), (477, 58735), (691, 40545), (765, 36623), (795, 35241), (901, 31095), (2073, 13515), (2385, 11747), (2703, 10365), (3455, 8109), (4505, 6219)]