1356289921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{138101}}^1$

素因数の和:138192

約数の個数: 16

約数和(自身を含む): 1643966208

約数和(自身を除く): 287676287

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 138101, 966707, 3176323, 8424161, 22234261, 58969127, 193755703, 1356289921]

約数ペア:

[(1, 1356289921), (7, 193755703), (23, 58969127), (61, 22234261), (161, 8424161), (427, 3176323), (1403, 966707), (9821, 138101)]