1985175

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 3883680

約数和(自身を除く): 1898505

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 173, 225, 255, 425, 459, 519, 675, 765, 865, 1275, 1557, 2295, 2595, 2941, 3825, 4325, 4671, 7785, 8823, 11475, 12975, 14705, 23355, 26469, 38925, 44115, 73525, 79407, 116775, 132345, 220575, 397035, 661725, 1985175]

約数ペア:

[(1, 1985175), (3, 661725), (5, 397035), (9, 220575), (15, 132345), (17, 116775), (25, 79407), (27, 73525), (45, 44115), (51, 38925), (75, 26469), (85, 23355), (135, 14705), (153, 12975), (173, 11475), (225, 8823), (255, 7785), (425, 4671), (459, 4325), (519, 3825), (675, 2941), (765, 2595), (865, 2295), (1275, 1557)]