289320195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{1399}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 491097600

約数和(自身を除く): 201777405

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 811, 1399, 2433, 4055, 4197, 6995, 12165, 13787, 20985, 23783, 41361, 68935, 71349, 118915, 206805, 356745, 1134589, 3403767, 5672945, 17018835, 19288013, 57864039, 96440065, 289320195]

約数ペア:

[(1, 289320195), (3, 96440065), (5, 57864039), (15, 19288013), (17, 17018835), (51, 5672945), (85, 3403767), (255, 1134589), (811, 356745), (1399, 206805), (2433, 118915), (4055, 71349), (4197, 68935), (6995, 41361), (12165, 23783), (13787, 20985)]