208170723

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 296239104

約数和(自身を除く): 88068381

約数列:

[1, 3, 23, 69, 83, 163, 223, 249, 489, 669, 1909, 3749, 5129, 5727, 11247, 13529, 15387, 18509, 36349, 40587, 55527, 109047, 311167, 425707, 836027, 933501, 1277121, 2508081, 3016967, 9050901, 69390241, 208170723]

約数ペア:

[(1, 208170723), (3, 69390241), (23, 9050901), (69, 3016967), (83, 2508081), (163, 1277121), (223, 933501), (249, 836027), (489, 425707), (669, 311167), (1909, 109047), (3749, 55527), (5129, 40587), (5727, 36349), (11247, 18509), (13529, 15387)]