208571565

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4441}}^1$

素因数の和:4581

約数の個数: 32

約数和(自身を含む): 347968512

約数和(自身を除く): 139396947

約数列:

[1, 3, 5, 15, 31, 93, 101, 155, 303, 465, 505, 1515, 3131, 4441, 9393, 13323, 15655, 22205, 46965, 66615, 137671, 413013, 448541, 688355, 1345623, 2065065, 2242705, 6728115, 13904771, 41714313, 69523855, 208571565]

約数ペア:

[(1, 208571565), (3, 69523855), (5, 41714313), (15, 13904771), (31, 6728115), (93, 2242705), (101, 2065065), (155, 1345623), (303, 688355), (465, 448541), (505, 413013), (1515, 137671), (3131, 66615), (4441, 46965), (9393, 22205), (13323, 15655)]