16943505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 28110720

約数和(自身を除く): 11167215

約数列:

[1, 3, 5, 15, 43, 109, 129, 215, 241, 327, 545, 645, 723, 1205, 1635, 3615, 4687, 10363, 14061, 23435, 26269, 31089, 51815, 70305, 78807, 131345, 155445, 394035, 1129567, 3388701, 5647835, 16943505]

約数ペア:

[(1, 16943505), (3, 5647835), (5, 3388701), (15, 1129567), (43, 394035), (109, 155445), (129, 131345), (215, 78807), (241, 70305), (327, 51815), (545, 31089), (645, 26269), (723, 23435), (1205, 14061), (1635, 10363), (3615, 4687)]