199904817

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{613}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 311931648

約数和(自身を除く): 112026831

約数列:

[1, 3, 7, 21, 53, 159, 293, 371, 613, 879, 1113, 1839, 2051, 4291, 6153, 12873, 15529, 32489, 46587, 97467, 108703, 179609, 227423, 326109, 538827, 682269, 1257263, 3771789, 9519277, 28557831, 66634939, 199904817]

約数ペア:

[(1, 199904817), (3, 66634939), (7, 28557831), (21, 9519277), (53, 3771789), (159, 1257263), (293, 682269), (371, 538827), (613, 326109), (879, 227423), (1113, 179609), (1839, 108703), (2051, 97467), (4291, 46587), (6153, 32489), (12873, 15529)]