2981205

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 5671512

約数和(自身を除く): 2690307

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 433, 459, 765, 1299, 1377, 2165, 2295, 3897, 6495, 6885, 7361, 11691, 19485, 22083, 35073, 36805, 58455, 66249, 110415, 175365, 198747, 331245, 596241, 993735, 2981205]

約数ペア:

[(1, 2981205), (3, 993735), (5, 596241), (9, 331245), (15, 198747), (17, 175365), (27, 110415), (45, 66249), (51, 58455), (81, 36805), (85, 35073), (135, 22083), (153, 19485), (255, 11691), (405, 7361), (433, 6885), (459, 6495), (765, 3897), (1299, 2295), (1377, 2165)]