27213921

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 46534400

約数和(自身を除く): 19320479

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 1321, 2289, 2943, 3963, 6867, 9247, 11889, 20601, 27741, 35667, 83223, 143989, 249669, 431967, 1007923, 1295901, 3023769, 3887703, 9071307, 27213921]

約数ペア:

[(1, 27213921), (3, 9071307), (7, 3887703), (9, 3023769), (21, 1295901), (27, 1007923), (63, 431967), (109, 249669), (189, 143989), (327, 83223), (763, 35667), (981, 27741), (1321, 20601), (2289, 11889), (2943, 9247), (3963, 6867)]