6845985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 13651200

約数和(自身を除く): 6805215

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 157, 171, 255, 285, 323, 459, 471, 513, 765, 785, 855, 969, 1413, 1615, 2295, 2355, 2565, 2669, 2907, 2983, 4239, 4845, 7065, 8007, 8721, 8949, 13345, 14535, 14915, 21195, 24021, 26847, 40035, 43605, 44745, 50711, 72063, 80541, 120105, 134235, 152133, 253555, 360315, 402705, 456399, 760665, 1369197, 2281995, 6845985]

約数ペア:

[(1, 6845985), (3, 2281995), (5, 1369197), (9, 760665), (15, 456399), (17, 402705), (19, 360315), (27, 253555), (45, 152133), (51, 134235), (57, 120105), (85, 80541), (95, 72063), (135, 50711), (153, 44745), (157, 43605), (171, 40035), (255, 26847), (285, 24021), (323, 21195), (459, 14915), (471, 14535), (513, 13345), (765, 8949), (785, 8721), (855, 8007), (969, 7065), (1413, 4845), (1615, 4239), (2295, 2983), (2355, 2907), (2565, 2669)]