221433993

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 386908704

約数和(自身を除く): 165474711

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 121, 153, 187, 243, 297, 363, 443, 459, 561, 891, 1089, 1329, 1377, 1683, 2057, 2673, 3267, 3987, 4131, 4873, 5049, 6171, 7531, 9801, 11961, 14619, 15147, 18513, 22593, 29403, 35883, 43857, 45441, 53603, 55539, 67779, 82841, 107649, 131571, 160809, 166617, 203337, 248523, 394713, 482427, 499851, 610011, 745569, 911251, 1184139, 1447281, 1830033, 2236707, 2733753, 4341843, 6710121, 8201259, 13025529, 20130363, 24603777, 73811331, 221433993]

約数ペア:

[(1, 221433993), (3, 73811331), (9, 24603777), (11, 20130363), (17, 13025529), (27, 8201259), (33, 6710121), (51, 4341843), (81, 2733753), (99, 2236707), (121, 1830033), (153, 1447281), (187, 1184139), (243, 911251), (297, 745569), (363, 610011), (443, 499851), (459, 482427), (561, 394713), (891, 248523), (1089, 203337), (1329, 166617), (1377, 160809), (1683, 131571), (2057, 107649), (2673, 82841), (3267, 67779), (3987, 55539), (4131, 53603), (4873, 45441), (5049, 43857), (6171, 35883), (7531, 29403), (9801, 22593), (11961, 18513), (14619, 15147)]