18085365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 15880203

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 503, 705, 765, 799, 1509, 2115, 2397, 2515, 3995, 4527, 7191, 7545, 8551, 11985, 22635, 23641, 25653, 35955, 42755, 70923, 76959, 118205, 128265, 212769, 354615, 384795, 401897, 1063845, 1205691, 2009485, 3617073, 6028455, 18085365]

約数ペア:

[(1, 18085365), (3, 6028455), (5, 3617073), (9, 2009485), (15, 1205691), (17, 1063845), (45, 401897), (47, 384795), (51, 354615), (85, 212769), (141, 128265), (153, 118205), (235, 76959), (255, 70923), (423, 42755), (503, 35955), (705, 25653), (765, 23641), (799, 22635), (1509, 11985), (2115, 8551), (2397, 7545), (2515, 7191), (3995, 4527)]