201945009

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1487}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 319979520

約数和(自身を除く): 118034511

約数列:

[1, 3, 7, 21, 29, 87, 203, 223, 609, 669, 1487, 1561, 4461, 4683, 6467, 10409, 19401, 31227, 43123, 45269, 129369, 135807, 301861, 331601, 905583, 994803, 2321207, 6963621, 9616429, 28849287, 67315003, 201945009]

約数ペア:

[(1, 201945009), (3, 67315003), (7, 28849287), (21, 9616429), (29, 6963621), (87, 2321207), (203, 994803), (223, 905583), (609, 331601), (669, 301861), (1487, 135807), (1561, 129369), (4461, 45269), (4683, 43123), (6467, 31227), (10409, 19401)]