155215165

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 219580416

約数和(自身を除く): 64365251

約数列:

[1, 5, 7, 35, 43, 151, 215, 301, 683, 755, 1057, 1505, 3415, 4781, 5285, 6493, 23905, 29369, 32465, 45451, 103133, 146845, 205583, 227255, 515665, 721931, 1027915, 3609655, 4434719, 22173595, 31043033, 155215165]

約数ペア:

[(1, 155215165), (5, 31043033), (7, 22173595), (35, 4434719), (43, 3609655), (151, 1027915), (215, 721931), (301, 515665), (683, 227255), (755, 205583), (1057, 146845), (1505, 103133), (3415, 45451), (4781, 32465), (5285, 29369), (6493, 23905)]