1998863811

素因数分解:

$3^5\times 7^2\times {\mathrm{167873}}^1$

素因数の和:167902

約数の個数: 36

約数和(自身を含む): 3483049752

約数和(自身を除く): 1484185941

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 167873, 503619, 1175111, 1510857, 3525333, 4532571, 8225777, 10575999, 13597713, 24677331, 31727997, 40793139, 74031993, 95183991, 222095979, 285551973, 666287937, 1998863811]

約数ペア:

[(1, 1998863811), (3, 666287937), (7, 285551973), (9, 222095979), (21, 95183991), (27, 74031993), (49, 40793139), (63, 31727997), (81, 24677331), (147, 13597713), (189, 10575999), (243, 8225777), (441, 4532571), (567, 3525333), (1323, 1510857), (1701, 1175111), (3969, 503619), (11907, 167873)]