64666665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7079}}^1$

素因数の和:7126

約数の個数: 48

約数和(自身を含む): 132537600

約数和(自身を除く): 67870935

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 3045, 7079, 9135, 21237, 35395, 49553, 63711, 106185, 148659, 205291, 247765, 318555, 445977, 615873, 743295, 1026455, 1437037, 1847619, 2229885, 3079365, 4311111, 7185185, 9238095, 12933333, 21555555, 64666665]

約数ペア:

[(1, 64666665), (3, 21555555), (5, 12933333), (7, 9238095), (9, 7185185), (15, 4311111), (21, 3079365), (29, 2229885), (35, 1847619), (45, 1437037), (63, 1026455), (87, 743295), (105, 615873), (145, 445977), (203, 318555), (261, 247765), (315, 205291), (435, 148659), (609, 106185), (1015, 63711), (1305, 49553), (1827, 35395), (3045, 21237), (7079, 9135)]