7281813

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 12533760

約数和(自身を除く): 5251947

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 1087, 2233, 3261, 6699, 7609, 11957, 22827, 31523, 35871, 83699, 94569, 220661, 251097, 346753, 661983, 1040259, 2427271, 7281813]

約数ペア:

[(1, 7281813), (3, 2427271), (7, 1040259), (11, 661983), (21, 346753), (29, 251097), (33, 220661), (77, 94569), (87, 83699), (203, 35871), (231, 31523), (319, 22827), (609, 11957), (957, 7609), (1087, 6699), (2233, 3261)]