209738655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4241}}^1$

素因数の和:4416

約数の個数: 48

約数和(自身を含む): 418227264

約数和(自身を除く): 208488609

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 315, 471, 785, 1099, 1413, 2355, 3297, 4241, 5495, 7065, 9891, 12723, 16485, 21205, 29687, 38169, 49455, 63615, 89061, 148435, 190845, 267183, 445305, 665837, 1335915, 1997511, 3329185, 4660859, 5992533, 9987555, 13982577, 23304295, 29962665, 41947731, 69912885, 209738655]

約数ペア:

[(1, 209738655), (3, 69912885), (5, 41947731), (7, 29962665), (9, 23304295), (15, 13982577), (21, 9987555), (35, 5992533), (45, 4660859), (63, 3329185), (105, 1997511), (157, 1335915), (315, 665837), (471, 445305), (785, 267183), (1099, 190845), (1413, 148435), (2355, 89061), (3297, 63615), (4241, 49455), (5495, 38169), (7065, 29687), (9891, 21205), (12723, 16485)]