643979895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106531}}^1$

素因数の和:106583

約数の個数: 32

約数和(自身を含む): 1145432064

約数和(自身を除く): 501452169

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 106531, 319593, 532655, 1384903, 1597965, 3302461, 4154709, 6924515, 9907383, 16512305, 20773545, 42931993, 49536915, 128795979, 214659965, 643979895]

約数ペア:

[(1, 643979895), (3, 214659965), (5, 128795979), (13, 49536915), (15, 42931993), (31, 20773545), (39, 16512305), (65, 9907383), (93, 6924515), (155, 4154709), (195, 3302461), (403, 1597965), (465, 1384903), (1209, 532655), (2015, 319593), (6045, 106531)]