17953145

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 25681920

約数和(自身を除く): 7728775

約数列:

[1, 5, 7, 35, 43, 79, 151, 215, 301, 395, 553, 755, 1057, 1505, 2765, 3397, 5285, 6493, 11929, 16985, 23779, 32465, 45451, 59645, 83503, 118895, 227255, 417515, 512947, 2564735, 3590629, 17953145]

約数ペア:

[(1, 17953145), (5, 3590629), (7, 2564735), (35, 512947), (43, 417515), (79, 227255), (151, 118895), (215, 83503), (301, 59645), (395, 45451), (553, 32465), (755, 23779), (1057, 16985), (1505, 11929), (2765, 6493), (3397, 5285)]