163089255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81749}}^1$

素因数の和:81783

約数の個数: 32

約数和(自身を含む): 313920000

約数和(自身を除く): 150830745

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 81749, 245247, 408745, 572243, 1226235, 1553231, 1716729, 2861215, 4659693, 7766155, 8583645, 10872617, 23298465, 32617851, 54363085, 163089255]

約数ペア:

[(1, 163089255), (3, 54363085), (5, 32617851), (7, 23298465), (15, 10872617), (19, 8583645), (21, 7766155), (35, 4659693), (57, 2861215), (95, 1716729), (105, 1553231), (133, 1226235), (285, 572243), (399, 408745), (665, 245247), (1995, 81749)]