9986991

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 16988160

約数和(自身を除く): 7001169

約数列:

[1, 3, 7, 21, 23, 29, 31, 69, 87, 93, 161, 203, 217, 483, 529, 609, 651, 667, 713, 899, 1587, 2001, 2139, 2697, 3703, 4669, 4991, 6293, 11109, 14007, 14973, 15341, 16399, 18879, 20677, 46023, 49197, 62031, 107387, 114793, 144739, 322161, 344379, 434217, 475571, 1426713, 3328997, 9986991]

約数ペア:

[(1, 9986991), (3, 3328997), (7, 1426713), (21, 475571), (23, 434217), (29, 344379), (31, 322161), (69, 144739), (87, 114793), (93, 107387), (161, 62031), (203, 49197), (217, 46023), (483, 20677), (529, 18879), (609, 16399), (651, 15341), (667, 14973), (713, 14007), (899, 11109), (1587, 6293), (2001, 4991), (2139, 4669), (2697, 3703)]