205442937

素因数分解:

$3^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 352060800

約数和(自身を除く): 146617863

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 343, 427, 441, 549, 1029, 1091, 1281, 2989, 3087, 3273, 3843, 7637, 8967, 9819, 20923, 22911, 26901, 53459, 62769, 66551, 68733, 160377, 188307, 199653, 374213, 465857, 481131, 598959, 1122639, 1397571, 3260999, 3367917, 4192713, 9782997, 22826993, 29348991, 68480979, 205442937]

約数ペア:

[(1, 205442937), (3, 68480979), (7, 29348991), (9, 22826993), (21, 9782997), (49, 4192713), (61, 3367917), (63, 3260999), (147, 1397571), (183, 1122639), (343, 598959), (427, 481131), (441, 465857), (549, 374213), (1029, 199653), (1091, 188307), (1281, 160377), (2989, 68733), (3087, 66551), (3273, 62769), (3843, 53459), (7637, 26901), (8967, 22911), (9819, 20923)]