290824995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{22783}}^1$

素因数の和:22851

約数の個数: 32

約数和(自身を含む): 498696192

約数和(自身を除く): 207871197

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 22783, 68349, 113915, 341745, 524009, 842971, 1572027, 2528913, 2620045, 4214855, 7860135, 12644565, 19388333, 58164999, 96941665, 290824995]

約数ペア:

[(1, 290824995), (3, 96941665), (5, 58164999), (15, 19388333), (23, 12644565), (37, 7860135), (69, 4214855), (111, 2620045), (115, 2528913), (185, 1572027), (345, 842971), (555, 524009), (851, 341745), (2553, 113915), (4255, 68349), (12765, 22783)]