15631145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 20908800

約数和(自身を除く): 5277655

約数列:

[1, 5, 23, 29, 43, 109, 115, 145, 215, 545, 667, 989, 1247, 2507, 3161, 3335, 4687, 4945, 6235, 12535, 15805, 23435, 28681, 72703, 107801, 135923, 143405, 363515, 539005, 679615, 3126229, 15631145]

約数ペア:

[(1, 15631145), (5, 3126229), (23, 679615), (29, 539005), (43, 363515), (109, 143405), (115, 135923), (145, 107801), (215, 72703), (545, 28681), (667, 23435), (989, 15805), (1247, 12535), (2507, 6235), (3161, 4945), (3335, 4687)]