210207921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31379}}^1$

素因数の和:31429

約数の個数: 32

約数和(自身を含む): 361497600

約数和(自身を除く): 151289679

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 6699, 31379, 94137, 219653, 345169, 658959, 909991, 1035507, 2416183, 2729973, 6369937, 7248549, 10009901, 19109811, 30029703, 70069307, 210207921]

約数ペア:

[(1, 210207921), (3, 70069307), (7, 30029703), (11, 19109811), (21, 10009901), (29, 7248549), (33, 6369937), (77, 2729973), (87, 2416183), (203, 1035507), (231, 909991), (319, 658959), (609, 345169), (957, 219653), (2233, 94137), (6699, 31379)]