291490455

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{4111}}^1$

素因数の和:4311

約数の個数: 32

約数和(自身を含む): 485544960

約数和(自身を除く): 194054505

約数列:

[1, 3, 5, 15, 29, 87, 145, 163, 435, 489, 815, 2445, 4111, 4727, 12333, 14181, 20555, 23635, 61665, 70905, 119219, 357657, 596095, 670093, 1788285, 2010279, 3350465, 10051395, 19432697, 58298091, 97163485, 291490455]

約数ペア:

[(1, 291490455), (3, 97163485), (5, 58298091), (15, 19432697), (29, 10051395), (87, 3350465), (145, 2010279), (163, 1788285), (435, 670093), (489, 596095), (815, 357657), (2445, 119219), (4111, 70905), (4727, 61665), (12333, 23635), (14181, 20555)]