17391927

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 27574272

約数和(自身を除く): 10182345

約数列:

[1, 3, 7, 21, 47, 67, 141, 201, 263, 329, 469, 789, 987, 1407, 1841, 3149, 5523, 9447, 12361, 17621, 22043, 37083, 52863, 66129, 86527, 123347, 259581, 370041, 828187, 2484561, 5797309, 17391927]

約数ペア:

[(1, 17391927), (3, 5797309), (7, 2484561), (21, 828187), (47, 370041), (67, 259581), (141, 123347), (201, 86527), (263, 66129), (329, 52863), (469, 37083), (789, 22043), (987, 17621), (1407, 12361), (1841, 9447), (3149, 5523)]