9728505

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 56

約数和(自身を含む): 18650952

約数和(自身を除く): 8922447

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 157, 243, 255, 405, 459, 471, 729, 765, 785, 1215, 1377, 1413, 2295, 2355, 2669, 3645, 4131, 4239, 6885, 7065, 8007, 12393, 12717, 13345, 20655, 21195, 24021, 38151, 40035, 61965, 63585, 72063, 114453, 120105, 190755, 216189, 360315, 572265, 648567, 1080945, 1945701, 3242835, 9728505]

約数ペア:

[(1, 9728505), (3, 3242835), (5, 1945701), (9, 1080945), (15, 648567), (17, 572265), (27, 360315), (45, 216189), (51, 190755), (81, 120105), (85, 114453), (135, 72063), (153, 63585), (157, 61965), (243, 40035), (255, 38151), (405, 24021), (459, 21195), (471, 20655), (729, 13345), (765, 12717), (785, 12393), (1215, 8007), (1377, 7065), (1413, 6885), (2295, 4239), (2355, 4131), (2669, 3645)]