1080945

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 2064744

約数和(自身を除く): 983799

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 157, 255, 405, 459, 471, 765, 785, 1377, 1413, 2295, 2355, 2669, 4239, 6885, 7065, 8007, 12717, 13345, 21195, 24021, 40035, 63585, 72063, 120105, 216189, 360315, 1080945]

約数ペア:

[(1, 1080945), (3, 360315), (5, 216189), (9, 120105), (15, 72063), (17, 63585), (27, 40035), (45, 24021), (51, 21195), (81, 13345), (85, 12717), (135, 8007), (153, 7065), (157, 6885), (255, 4239), (405, 2669), (459, 2355), (471, 2295), (765, 1413), (785, 1377)]