16976253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 27504640

約数和(自身を除く): 10528387

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 271, 399, 471, 813, 1099, 1897, 2983, 3297, 5149, 5691, 8949, 15447, 20881, 36043, 42547, 62643, 108129, 127641, 297829, 808393, 893487, 2425179, 5658751, 16976253]

約数ペア:

[(1, 16976253), (3, 5658751), (7, 2425179), (19, 893487), (21, 808393), (57, 297829), (133, 127641), (157, 108129), (271, 62643), (399, 42547), (471, 36043), (813, 20881), (1099, 15447), (1897, 8949), (2983, 5691), (3297, 5149)]