989845485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{3917}}^1$

素因数の和:4933

約数の個数: 32

約数和(自身を含む): 1679035392

約数和(自身を除く): 689189907

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 991, 2973, 3917, 4955, 11751, 14865, 16847, 19585, 50541, 58755, 66589, 84235, 199767, 252705, 332945, 998835, 3881747, 11645241, 19408735, 58226205, 65989699, 197969097, 329948495, 989845485]

約数ペア:

[(1, 989845485), (3, 329948495), (5, 197969097), (15, 65989699), (17, 58226205), (51, 19408735), (85, 11645241), (255, 3881747), (991, 998835), (2973, 332945), (3917, 252705), (4955, 199767), (11751, 84235), (14865, 66589), (16847, 58755), (19585, 50541)]