663371583

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{1531}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 1035386880

約数和(自身を除く): 372015297

約数列:

[1, 3, 7, 21, 47, 141, 329, 439, 987, 1317, 1531, 3073, 4593, 9219, 10717, 20633, 32151, 61899, 71957, 144431, 215871, 433293, 503699, 672109, 1511097, 2016327, 4704763, 14114289, 31589123, 94767369, 221123861, 663371583]

約数ペア:

[(1, 663371583), (3, 221123861), (7, 94767369), (21, 31589123), (47, 14114289), (141, 4704763), (329, 2016327), (439, 1511097), (987, 672109), (1317, 503699), (1531, 433293), (3073, 215871), (4593, 144431), (9219, 71957), (10717, 61899), (20633, 32151)]